Question 1

the study of interactions between different organisms and their environment

Accepted Answer

ecology

Question 2

organisms that can reproduce and have fertile offspring

Accepted Answer

species

Question 3

a group of the same species in the same area

Accepted Answer

population

Question 4

2 or more populations in the same area

Accepted Answer

community

Question 5

all of the organisms and their physical environment

Accepted Answer

ecoystem

Question 6

A group of ecosystems with similar climates and organisms

Accepted Answer

biome

Question 7

Earth

Accepted Answer

biosphere

Question 8

non-living factors in an ecosystem

Accepted Answer

abiotic factors

Question 9

liviing factors in an ecosystem

Accepted Answer

biotic factors

Question 10

make their own food

Accepted Answer

autotroph / producer

Question 11

A consumer that eats only plants.

Accepted Answer

herbivore

Question 12

organism that obtains energy by eating both plants and animals

Accepted Answer

omnivore

Question 13

A consumer that eats only animals.

Accepted Answer

carnivore

Question 14

An organism that breaks down wastes and dead organisms

Accepted Answer

decomposer

Question 15

organism that feeds on plant and animal remains and other dead matter

Accepted Answer

detritivore

Question 16

amount of energy that is passed to the next trophic level

Accepted Answer

10%

Question 17

amount of energy that used for life processes or lost as heat

Accepted Answer

90%

Question 18

accumulation of pollutants, toxins, or pesticides at successive trophic levels

Accepted Answer

biomagnification

Question 19

total amount of living tissue within a given trophic level

Accepted Answer

biomass

Question 20

producers make this "food" using sunlight or chemicals

Accepted Answer

carbohydrates

Question 21

A series of steps in which organisms transfer energy by eating and being eaten (1-way path)

Accepted Answer

food chain

Question 22

network of complex feeding interactions of organisms in an ecosystem

Accepted Answer

food web

Question 23

Place where an organism lives

Accepted Answer

habitat

Question 24

Full range of what an organism does to survive and reproduce where it lives

Accepted Answer

niche

Question 25

the movement of carbon from the nonliving environment into living things and back

Accepted Answer

carbon cycle

Question 26

cycle that does not go through the air; uses the weathering of rocks

Accepted Answer

phosphorus cycle

Question 27

Rule that states that two species cannot occupy the same exact niche in the same habitat at the same time

Accepted Answer

competitive exclusion principle

Question 28

A relationship between two species in which both species benefit

Accepted Answer

mutualism

Question 29

A relationship between two organisms in which one organism benefits and the other is unaffected

Accepted Answer

commensalism

Question 30

A relationship between two organisms where one benefits and the other is harmed

Accepted Answer

parasitism

Question 31

The continuous process by which water moves from Earth's surface to the atmosphere and back

Accepted Answer

water cycle

Question 32

conversion of nitrogen to ammonia by certain bacteria and lightning strikes

Accepted Answer

nitrogen fixing

Question 33

Day to day conditions of Earth's atmosphere at a particular time and place.

Accepted Answer

weather

Question 34

Overall weather in an area over a long period of time

Accepted Answer

climate

Question 35

rain, snow, sleet, or hail that falls to the ground.

Accepted Answer

precipitation

Question 36

Evaporation of water from the leaves of a plant

Accepted Answer

transpiration

Question 37

water that is absorbed by the Earth's soil

Accepted Answer

groundwater

Question 38

gas that makes up 78% of Earth's atmosphere

Accepted Answer

nitrogen

Question 39

an animal that is hunted and killed by another for food

Accepted Answer

prey

Question 40

an animal or plant that a parasite feeds on

Accepted Answer

host

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