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Q 1/371
Score 0
Latin word for "water"
30
Aqua
Q 2/371
Score 0
Comes from the Greek word that means "swimming"
30
Nekton
371 questions
Q.
Latin word for "water"
1
30 sec
Q.
Comes from the Greek word that means "swimming"
2
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Q.
Animals that DO NOT SWIM but scurry, crawl, hop, scoot, burrow, or slither across the bottom of a body of water.
3
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Q.
Comes from the Latin word which mean "sitting" - stick themselves to one place and just sit there
4
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Q.
From the Greek which means to wander or drift.
5
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Q.
Like plants in that they use the sun to make their own food
6
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More like animals - they need to eat to get food. They drift to and fro.
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Q.
When the water becomes cloudy due to plankton multiplying - most common in arctic regions
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Animals that clean up the oceans and rivers of the world by eating microscopic creatures and debris that float in the water.
9
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Maintains the same body temperature, give birth to live young, drink milk from their mother's body, have a backbone and hair.
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Cold-blooded creatures that have scales, breathe air, lay eggs, and have a backbone
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Like reptiles but do not have scales
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Cold-blooded, have a backbone, and have scales like reptiles, but they don't breathe air but breathe through their gills.
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Q.
Beginning of a river
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Q.
End of the river
15
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Giant food delivery systems created by God to feed His animals
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ocean currents on the top of the water that are driven by wind
17
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Large, circular ocean current systems that often encompass an entire ocean basin
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currents caused by warm and salty water sinking and rising in the ocean from differences in density
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occur during the full and new moons, tides are very high and very low
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When the sun's gravity works against the moon's gravity making high tides lower and low tides higher
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When waters reach the ocean they become salty
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Place where a river meets with an ocean or sea
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The floor of the ocean that gradually slopes downward and the water becomes deeper and deeper
24
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When you get to the end of the shelf - the DROPOFF!
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The deep, dark ocean floor
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area of the ocean well lit by sunlight
27
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Q.
Fairly dark, with very little sunlight coming through
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DARK - darker than midnight - no light ever
29
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Animals that are able to make their own light
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The pressure of water that increases with depth of the water
31
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Q.
Small underwater craft used for deep sea searching
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Q.
roots, stems, leaves and flowers
33
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anchor plants in the ground and absorb water and dissolved nutrients from the soil
34
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tap root, fibrous
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the primary portion of the root grows long and thick while secondary roots remain small..... long primary root is able to reach water way under the ground....
36
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shallow roots that branch so that no one root grows longer than the others.....prevents soil erosion...collects water easily and quickly....
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grass, cactus
38
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produce leaves, branches and flowers....hold leaves up to sunlight for photosynthesis...transport substances between roots and leaves.......
39
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transports water absorbed in the roots up to the rest of the plant
40
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transports food made in the leaves down to the rest of the plant
41
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Q.
"wood" is actually the xylem of the tree.....a new ring is made each year....
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a year with a lot of rainfall
43
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Q.
tendancy of water to rise in a tube
44
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Q.
pressure created by water entering the root that can push water upward
45
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flowering plant; largest in the plant kingdom
46
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Q.
attract pollinators for reproduction
47
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sepals, petals, stamen and pistil
48
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protect the flower bud
49
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colorful to attract pollinatiors
50
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male reproductive part.....has a filament and a anther
51
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top of the filament...forms pollen grains/sperm
52
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female reproductive part......stigma,style and ovary
53
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top, where pollination occurs
54
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stalk that connects the stigma to the ovary
55
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forms eggs
56
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thickening of the ovary wall....aids in seed dispersal
57
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one leaf inside the seed...long and narrow leaves....flower petals are in three's....usually fibrous roots
58
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two leaves inside the seed.....broad leaves in many sizes and shapes..flower petals are in fours or fives....usually have a tap root
59
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flowers pollinate themselves
60
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flowers receive pollen from another plant
61
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store food for the plant embryo....disperse to create new plants
62
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Q.
dandelions
63
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Q.
coconuts (buoyant)
64
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Q.
eat the fruit and poop out the seeds....stick to fur
65
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Q.
a plants growth response towards light
66
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Q.
a plant's growth response towards gravity (roots)
67
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Q.
The study of plants. In Greek the word "botane" means "plant".
68
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Q.
A dead language which is many times used in science to name things.
69
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The study of living things. In Greek "bio" means "life" and "ology" means "the study of".
70
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The science dealing with the description, identification, naming, and classification of organisms.
71
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The Kingdom into which plants fall.
72
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Kingdom, Phylum, Class, Order, Family, Genus, Species
73
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"Bi" means two; "nome" means name; and "clature" means to assign; therefore, it means assigning two names.
74
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Plants which have tubes that carry liquid inside the plant.
75
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The tubes which contain fluid which is carried inside some plants.
76
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Tubes in plants which carry water and chemicals up the plant.
77
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Tubes in plants which carry sugar and other chemicals down the plant.
78
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The vein in the very middle of the leaf.
79
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Plants that do not have tubes inside them. They don't have stems, roots, or leaves.
80
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Q.
A nonvascular plant which grows on rocks and trees.
81
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Little plant-like clumps that grow on rock. Even though mistaken by nonvascular plants, lichens are actually two living things rolled up into one. Lichens are actually a fungus plus algae.
82
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A vessell that holds the seeds.
83
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Flower-making plants that are in the phylum Anthophyta. "Angio" means container, and "sperm" is another word for seed. Angiosperm, then, means "seed container."
84
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"Gymno" means uncovered and the word "sperm" means seed; therefore, gymnosperm means uncovered seed. Gymnosperms are separated into four different phyla.
85
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Cone-bearing plant. "Conifer" is Latin for cone bearer and "phyta" means plant.
86
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In Greek the word "ptero" means wing and "phyta" means plant. Wingplants.
87
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Little balls filled with spores. Seedless vasular plants like ferns do not make flowers or cones and they don't make seeds, either. They make sporangia.
88
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Q.
Plants which do not have tubes to carry liquid throughout the plant.
89
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Q.
Bony fishes, cartilaginous fishes and jawless fishes
90
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it has fins for swimming and gills for breathing
91
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the rings that a bony fish forms as it grows. If you count these rings, it would give you a good idea of how old the fish is
92
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a flap over the gills of a fish that opens and closes every time the fish breathes
93
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enable a fish to move
94
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helps the fish move in the direction it chooses
95
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keep the fish from rolling from side to side. They give the fish balance.
96
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is used to thrust the fish forward in the water while it swishes from side to side
97
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forked and rounded. Forked and thin fins belong to the fastest swimmers. Fins that are rounded and thick belong to the slower swimmers.
98
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Q.
fusiform, eel-like, depressed, and compressed
99
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rounded, bullet shape where both ends of the fish taper to a point. (ex. sharks, marlins, swordfish, and tuna)
100
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long ribbon-shaped body (ex. Gunnels and eels)
101
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both eyes on either top or on one side of its body. Likes to lie on the bottom of the ocen or lake and are able to change colors in order to blend in with its surroundings. (ex. batfish, rays, flounders)
102
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Q.
flat bodies with one eye on each side (ex. Angelfish, surgeonfish, and butterfly fish)
103
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Camouflage, counter shading, advertising, and schools
104
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the fish looks like the environment in which it dwells
105
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the body is light on the bottom and darker on the top
106
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sharp quills or poisonous spines. It warns the predators about its spines or quills
107
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The best defense - some number in the millions which makes it hard to attack an "individual"
108
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inside the fishes body that makes it buoyant and can help the fish go higher or lower in the water
109
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four nostrils that fish have. Two take in water and two spit out water
110
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the ability to see out of each eye separately
111
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a line of narrow holes (called pores) that run along the side of the fish's body that help the fish direct vibrations in the water
112
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make up almost all the fishes in the sea, have scales that cover their bodies, on the scales is slime which protects them from parasites,
113
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Q.
sharks and rays
114
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cold-blooded
115
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cooler water contains more oxygen which makes it easier to breathe
116
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Q.
symbol for fish which is Greek
117
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Q.
'bony fish'
118
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Greek word that refers to bone
119
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like fingernails in that they grow bigger as the fish grows larger
120
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located near the head on either side of the fish's body
121
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examples of fusiform fish
122
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Q.
how tightly packed the matter is inside of something
123
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a line of narrow holes called pores that run along the side of the fish's body, the pores lead to a chamber filled with tiny hairs that pick up vibrations that travel through the water
124
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Q.
each group of hairs in the lateral line, there are 100s of hairs and they convert movement into electricity
125
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Q.
the process of baby fish forming inside the egg
126
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the egg develops outside the parent
127
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Q.
if the egg develops inside the parent
128
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Q.
Taken from Genesis 1:28; when God called humankind to fill the earth and to exercise wise dominion over creation.
129
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Q.
God created humans with certain qualities that reflect his character.
130
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The study of life.
131
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The belief system and perspective that a person uses to interpret and understand the world around him (includes biases and presuppositions).
132
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The act of noticing and describing events or processes in a careful, orderly way.
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Explanation of something not obvious or not meaning the same thing to everyone (affected by worldview and assumptions).
134
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A simplified representation of reality that describes or explains something in the world in a workable and useful way (changes as more is discovered).
135
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A well supported testable explanation or model of observations that have occurred in the natural world (can alter as more is discovered).
136
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A model describing how phenomena relate to each other in a predictable way under certain conditions (usually a descriptive statement or equation).
137
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A logical, systematic approach to the solution of a scientific problem (may not be followed in the same order each time).
138
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A proposed, scientifically testable explanation for an observed phenomenon. It predicts the answer to your scientific question.
139
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A sampling of data gathered from an existing group of data (often polls, questionnaires, lists of data).
140
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An ideology that emphasizes conservation and protection of the environment because it is fragile and ought to be used as little as possible.
141
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Preserving and wisely USING natural resources.
142
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The application of a technological process, invention, or method to enhance living organisms and their processes.
143
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The study of what is good and bad (ethical) for living things.
144
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out of nothing
145
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Creation, Fall, Redemption
146
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clones or a genetically new organism
147
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Q.
sum of all chemical processes
148
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organisms use energy and information to maintain a high level of order
149
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increase in size and replace old cells
150
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interacting and adapting to the environment
151
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either comes from the food an organism eats or from the sun
152
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every cell contains this in form of DNA or RNA
153
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based on the Bible; needed to fulfill the Creation Mandate
154
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there is no Designer; no master plan; life is a product of random chances
Energy and information maintain a high level of order
159
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simple and testable statement that predicts the answer to the question
160
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variable in a scientific experiment that is affected by another variable, called the independent variable
161
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variable in a scientific experiment that is manipulated by the researcher to investigate its affect on another variable, called the dependent variable
162
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the variety of life and its processes; including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur
163
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group of similar ecosystems with the same general type of physical environment
164
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part of Earth where all life exists, including land, water, and air
165
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basic unit of structure and function of living things
166
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theory that all living things are made up of cells, all life functions occur within cells, and all cells come from already existing cells
167
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all of the populations of different species that live in the same area
168
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relationship between living things that depend on the same resources in the same place and at the same time
169
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all the living things in a given area together with the physical factors of the nonliving environment
170
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theory that the characteristics of living things are controlled by genes that are passed from parents to offspring
171
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process of maintaining a stable environment inside a cell or an entire organism
172
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structure composed of more than one type of tissue that performs a particular function
173
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group of organs that work together to do a certain job
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an individual living thing
175
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all the organisms of the same species that live in the same area
176
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process by which living things give rise to offspring
177
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close relationship between organisms of different species in which at least one of the organisms benefits from the relationship
178
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group of cells of the same kind that perform a particular function in an organism
179
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The total of all processes in an organism which convert energy and matter from outside sources and use that matter to sustain the organism's life functions.
180
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The processes in an organism which combine energy and simple chemical building blocks to produce larger molecules necessary for life.
181
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The processes in an organism which release energy breaking down larger molecule into simple chemical building blocks.
182
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Q.
The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food.
183
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Organisms that eat only plants.
184
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Q.
Organisms that eat organisms other than plants.
185
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Q.
Organisms that eat both plants and other organisms.
186
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Organisms that produce their own food.
187
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Organisms that eat living producers and/or living consumers for food.
188
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Organisms that break down the dead remains of other organisms.
189
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Organisms that are able to make their own food.
190
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Organisms that depend on other organisms for their food.
191
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Special sructures that allow living organisms to sense the conditions of their internal or external environment AND RESPOND.
192
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Reproduction by 1 organism
193
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Reproduction BY 2 organisms.
194
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The process by which physical and biological characteristics are transmitted from the parents to the offspring.
195
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An abrubt and marked change in DNA of an organism compared to that of its parents.
196
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An EDUCATED GUESS that attempts to explain an observation or answer a question.
197
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A TESTED hypothesis with significant SUPPORTING data.
198
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A DEVELOPED, TESTED THEORY that has SUPPORTED by data.
199
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Living creatures that are too small to see with the naked eye.
200
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The idea that long ago, very simple life forms spontaneously appeared through chemical reactions. (LIFE FROM NONLIFE)
201
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A cell with NO ORGANELLES. (ex, Monera Kingdom)
202
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A cell with distinct, membrane-bounded ORGANELLES. (ex, Protista Kingdom)
203
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A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units.
204
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The science of classifying organisms.
205
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Q.
2 NAME NAMING SYSTEM USING Genus and species.
206
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Q.
limited to the testable, reproducible, and observable
207
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Q.
Monera & Protista
208
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Single cell, microscopic organisms, PROKARYOTIC (no organelles)
209
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Q.
Single cell, microscopic organisms, EUkaryotic cells
210
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Q.
Multicellular decomposers, EUkaryotic cells,
211
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Q.
Multicellular autotrophs, EUkaryotic cells,
212
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Q.
Multicellular heterotrophs (no decomposers), EUkaryotic cells,
213
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Q.
Mammals that live in the sea
214
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Q.
Scientific name for whales
215
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The end of a whales' tail; used for power and steering when swimming
216
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A whale's nose, which is on the top of its head
217
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The air that whales exhale which can reach up to 30 feet high
218
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A whale stranded on a beach
219
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When a whale leaps into the air and then purposefully flops down on the water with an incredible splash
220
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When a whale sits straight up in the water , sometimes turning in circles
221
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When a whale faces downward in the water slapping the water with it's fluke
222
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Thick layer of fat under their skin; used to be used for oil/lamps
223
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The groups whales travel in when migrating
224
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Has teeth, either a few or hundreds (dolphins, porpoises, killer whales, beluga whales, narwhals, and sperm whales)
225
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Whales having no teeth, but has nestled plates that hang from its upper mouth (blue whales, humpback whales, gray whales, and right whales)
226
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Called the "sea canary" because they make chirping noises
227
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Whale which has a single, long horn that looks like a unicorn, called a tusk
228
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The largest toothed whale; also called Great Whale
229
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Bristly plates that hang from a whales mouth
230
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Largest creature on the earth
231
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Small, inch long, shrimp-link zooplankton eaten by baleen whales
232
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Underwater vessels that either carry people or are controlled remotely
233
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When a whale swims slowly on the surface of the ocean with very little movement
234
30 sec
Q.
Fisherman who hunted whales
235
30 sec
Q.
Laws that helps to save animals
236
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Q.
Baby whales are called?
237
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Animals that give birth to live young
238
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A protruding, rounded forehead that contains a structure; used for echolocation
239
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The process of using reflected sound waves to find objects; also called sonar
240
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When dolphins race along near the surface and make low leaps out of the water
241
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Can reach lengths of over 30 feet and are considered the most ferocious of all sea animals (mammals)
242
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Has warty-looking bumps found on the top of its head and its 12 foot long flippers
243
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Extremely social and intelligent whale, friendly to humans
244
30 sec
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Where a blue whale spends most of its life
245
30 sec
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Do not have teeth, do have long strips of bristled plates that hang from its upper mouth
246
30 sec
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How does a whale moves its tail?
247
30 sec
Q.
How does a fish moves its tail?
248
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The most important sense for a cetacean
249
30 sec
Q.
Where does sound travel best?
250
30 sec
Q.
How far away can a cetacean hear?
251
30 sec
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What sounds do cetaceans make?
252
30 sec
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This stays closed while in the water
253
30 sec
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What is formed when a whale exhales air?
254
30 sec
Q.
Scientists believe that whales take short __________at the surface of the water
255
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An extremely large pod
256
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Greater than 10 feet; lean and sleek body, have beaks and curved dorsal fin
257
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Smaller than a dolphin, less than 7 feet long, chubby, do not have beaks, the dorsal fin is a triangle shape
258
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They kill to eat and for fun; eat sharks, whales, seals, porpoises, and penguins; dorsal fin can be 6 feet tall
259
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When the outer layer of skin peels off; in shallow water beluga whales will rub their bodies across the gravel floor
260
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Biggest of the toothed whales; up to 60 feet long; teeth 11 inches long.
261
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An organ that scientist believe may used to focus or reflect sound
262
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All-male pods
263
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Largest and most majestic Cetaceans in the sea
264
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One of the smallest creatures in the ocean that blue whales feed on
265
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Whales receive sound through their ____________
266
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Whales secrete a special lubricant to protect their________ from debris
267
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Used to navigate and steer in the ocean
268
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Q.
Mysticeti
269
30 sec
Q.
Odontoceti
270
30 sec
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Blubber provides?
271
30 sec
Q.
How do Cetaceans reduce drag for fast swimming?
272
30 sec
Q.
Odontoceti have?
273
30 sec
Q.
Mysticeti have?
274
30 sec
Q.
Humans use 4% of oxygen inhaled, Cetaceans use______?
275
30 sec
Q.
Marine mammals have adapted methods to prevent from getting?
276
30 sec
Q.
Mammals were designed so that their_____________ actually collapse as they dive.
277
30 sec
Q.
The height and angle of the _______________can help identify whales.
278
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Q.
__________ orders of mammals use echolocation
279
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Soft-bodied, carnivorous animals that have stinging tentacles arranged in circles around their mouths. They are the "simplest" animals to have body symmetry and specialized tissues.
280
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Q.
Stinging cells
281
30 sec
Q.
A poison-filled, stinging structure that contains a tightly coiled dart
282
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A cylindrical body with armlike (waving) tentacles that look like little feet
283
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Q.
A motile, bell-shaped body with the mouth on the bottom (dangling tentacles)
284
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A digestive chamber with one opening
285
30 sec
Q.
A loosely organized network of nerve cells that together allow cnidarians to detect stimuli such as the touch of a foreign object
286
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Q.
Consists of a layer of circular muscles and a layer of longitudinal muscles that, together with the water in the gastrovascular cavity, enable the cnidarian to move
287
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Takes place outside the female's body; the sexes are often separate---each individual is either male or female; The female releases eggs into the water, and the male releases sperm.
288
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Q.
Contains jellyfish; "cup animals"; live their lives primarily as medusa(adult); size varies; some may be deadly
289
30 sec
Q.
Contains hydras and other related animals; microscopic; polyp body form; can move by summersaulting
290
30 sec
Q.
Contains sea anemones and corals, animals that have a polyp stage in their life cycle; "flower animals"; all live as polyps
291
30 sec
Q.
Animals that do not have a backbone, or vertebral column: microscopic dust mites, giant squids
292
30 sec
Q.
Animals that have a backbone: fishes, amphibians, reptiles, birds, mammals
293
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Q.
Eat plants
294
30 sec
Q.
Eats other animals
295
30 sec
Q.
Aquatic animal that strains tiny floating organisms from water
296
30 sec
Q.
Two species live in close association with each other
297
30 sec
Q.
asexually (budding) sexually (egg and sperm)
298
30 sec
Q.
carnivores, tentacles grab food
299
30 sec
Q.
diffusion
300
30 sec
Q.
eliminate waste through mouth
301
30 sec
Q.
Two forms (medusae/polyp) they swim
302
30 sec
Q.
radial
303
30 sec
Q.
Boneless, brainless, eyeless, headless, footless
304
30 sec
Q.
A group of mollusks. The name means head foot. The octopus, squid, nautilus and cuttlefish are in this group.
305
30 sec
Q.
Cells with pigments that can be manipulated to change the color of cephalopod's skin, allowing it to blend into its surroundings
306
30 sec
Q.
The cephalopod's ability to allow water inside its body, then quickly squeeze it out, sending a jet stream out of its body and propelling it backward.
307
30 sec
Q.
The tube which the stream of water goes out of in jet propulsion.
308
30 sec
Q.
A graceful animal that lives on the bottom of the ocean. It can quickly change its color and even its texture to match its surroundings. It has a shell on the inside of its body.
309
30 sec
Q.
The internal shell of a cuttlefish
310
30 sec
Q.
A cephalopod with ten arms and a beak
311
30 sec
Q.
A group of squids
312
30 sec
Q.
A nocturnal cephalopod with eight arms and a beak. It lives in shallow waters, spending most of its time on the sea floor.
313
30 sec
Q.
The parts that detect light in the human or animal eye
314
30 sec
Q.
A cephalopod that rises and sinks due to gas-filled chambers in its shell. It can have anywhere between 38 and 90 arms.
315
30 sec
Q.
A large, cream-colored cephalopod with brown, wavy lines and many arms. It is the only cephalopod that creates an external shell.
316
30 sec
Q.
The thickened area over the head of a nautilus.
317
30 sec
Q.
A creature in the class polyplacophora. Eight plates make up its shell, and it has neither eyes nor arms.
318
30 sec
Q.
The protruding portion of the chiton's mantle.
319
30 sec
Q.
Soft, slimy creatures with squishy bodies that belong to phylum Mollusca
320
30 sec
Q.
Either crustaceans or mollusks
321
30 sec
Q.
Organ inside the body of a mollusk with special chemical properties that converts calcium and other minerals into a shell
322
30 sec
Q.
This group of mollusks has two shell halves shaped like a fan , oysters, mussels, and clams
323
30 sec
Q.
A tube that is extended when a bivalve is underwater
324
30 sec
Q.
The siphon tube that takes in water on a bivalve
325
30 sec
Q.
The siphon tube on a bivalve that expels wastes
326
30 sec
Q.
the extended, soft part of the bivalve that is used to crawl along the sea floor
327
30 sec
Q.
This mollusk can clap its shell open and closed to move short distances in little bursts
328
30 sec
Q.
Some of these can burrow into coral, rock, ships or piers by secreting a substance that weakens the material and using the edge of their shell to dig and form a hole
329
30 sec
Q.
By counting these you can estimate the age of a bivalve; each one represents one year of its life.
330
30 sec
Q.
Spends its entire adult life in one spot, clinging to rocks, piers, or other structures in the water even when powerful waves slam against them
331
30 sec
Q.
Attaches itself to one spot, but will move from time to time, usually smooth black, bluish or gray, growing from 1-9 inches
332
30 sec
Q.
Acts like natural "super glue" to attach mussels to a surface
333
30 sec
Q.
A mussel in its larval form. It will grow and mature until it becomes an adult
334
30 sec
Q.
Created by oysters, mussels and clams when something like a bacteria or parasite gets inside the bivalve between the mantle and the shell
335
30 sec
Q.
Fan-shaped mollusk that is the fastest mover of all the bivalves, tiny eyes that form rings around the animal
336
30 sec
Q.
Means "stomach foot". Their body is a mass of organs (the stomach) sitting on top of one large foot.
337
30 sec
Q.
They are scavengers that can smell dead fish in the water and will even catch waves to get to the dead animal faster...within minutes
338
30 sec
Q.
An organ in gastropods with many denticles or tooth-like spikes allowing them to scrape algae off rocks and into their mouth
339
30 sec
Q.
The door that seals off a snail's shell
340
30 sec
Q.
One of the greatest dangers to the conch. Can crush a conch shell with their powerful jaws.
341
30 sec
Q.
A shell that has been used as a horn for many thousands of years by removing the small tip of the shell
342
30 sec
Q.
A whelk's radula with a long stalk. Used to probe into other gastropod shells or to pry open bivalve shells.
343
30 sec
Q.
Papery, spongy masses used to contain the egg of a whelk
344
30 sec
Q.
A living creature that glows in the dark.
345
30 sec
Q.
Animals without backbones and represent 95% of the animal kingdom
346
30 sec
Q.
Have soft bodies and long, stinging body parts. Not really fish.
347
30 sec
Q.
An invertebrate species that can live for over 100 years.
348
30 sec
Q.
What is the world's largest and heaviest creature without a backbone?
349
30 sec
Q.
A cehpalopod so smart it sometimes uses tools to hunt.
350
30 sec
Q.
soft and flexible but keeps its shape
351
30 sec
Q.
fish with a skeleton made soft and flexible yet keeping its shape
352
30 sec
Q.
sharks, rays, agnathans
353
30 sec
Q.
cartilage
354
30 sec
Q.
"skin"
355
30 sec
Q.
"teeth"
356
30 sec
Q.
thick and rubbery
357
30 sec
Q.
eat things that are found on the ocean floor such as benthic animals
358
30 sec
Q.
cover for a sharks gills
359
30 sec
Q.
breathing holes on top of their body
360
30 sec
Q.
can be round, triangular, or diamond-shaped
361
30 sec
Q.
flips sand on its back, its venom, sharp spines,
362
30 sec
Q.
majority of most rays
363
30 sec
Q.
sting rays, eagle rays, and electric rays
364
30 sec
Q.
creatures that clean up the ocean and river floors by eating microscopic creatures and debris
365
30 sec
Q.
where certain fish and sometimes shrimp clean the teeth or bodies of the fishes that have come to be cleaned
366
30 sec
Q.
Many are bottom dwellers, scavenge on the ocean floor for food, streamlined in a perfect fusiform for fast swimming
367
30 sec
Q.
250-500
368
30 sec
Q.
Nerve receptors sharks use to find food because they sense electricity in the water
369
30 sec
Q.
"without a jaw"
370
30 sec
Q.
When an animal is born in fresh water but lives its adult life in salt water