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Q 1/19
Score 0
An person who works with aquariums takes half of the fish out of the tank and the remaining fish grow larger and are healthier. Which factor was MOST LIKELY affecting the fish?
45
shelter
water
food
Space
Q 2/19
Score 0
Which is an ABIOTIC factor that would affect the growth of a population within an ecosystem?
45
availability of producers
the availability of water
the number of carnivores
the types of herbivores that are present
19 questions
Q.
An person who works with aquariums takes half of the fish out of the tank and the remaining fish grow larger and are healthier. Which factor was MOST LIKELY affecting the fish?
1
45 sec
Q.
Which is an ABIOTIC factor that would affect the growth of a population within an ecosystem?
2
45 sec
Q.
If the primary food source for the whale population in an area is depleted, which will most likely happen?
3
45 sec
Q.
A farmer clears an acre of trees on his property. Which best describes the effect this will have on a population of bats that roost inside old hollow trees that are on the property?
4
45 sec
Q.
Which best describes mutualism?
5
45 sec
Q.
What type of relationship exists between wolves who hunt together for food?
6
45 sec
Q.
Tapeworms live in the intestines of dogs and absorb nutrients from food the dog eats. Which best describes the outcome of this relationship?
7
45 sec
Q.
Which best describes the relationship between decomposers and producers?
8
45 sec
Q.
In the Arctic, polar bears hunt seals as a source of food. Which best describes the relationship between the bears and seals?
9
45 sec
Q.
A certain snake species in an ecosystem eats small rodents. If a bird species is introduced into the ecosystem that also eats small rodents, which of these will most likely increase?
10
45 sec
Q.
In a marine ecosystem, which gas is needed by algae to produce oxygen? Hint: what trophic level is algae.......
11
45 sec
Q.
Which organisms contribute most to the decomposition of dead organisms?
12
45 sec
Q.
Which best describes the role plants serve in the oxygen cycle?
13
45 sec
Q.
Through which of these do animals release the most nitrogen from their bodies?
14
45 sec
Q.
Through which activity do animals get the carbon that is needed for their bodies?
15
45 sec
Q.
In a energy pyramid, the energy flows between organisms in the food web. Which statement describes HOW the enrgy flows in a pyramid?
16
45 sec
Q.
In an ecosystem, not all of the energy that is available is used by the organisms. Some energy becomes unavailable before it can be transferred to organisms in the next trophic level. How is the energy most likely lost?
17
45 sec
Q.
Biotic nitrogen fixation is performed by certain _________________ in this cycle.
18
45 sec
Q.
How will clear cutting of forests (cutting everything down) affect the level of carbon dioxide in the atmosphere?
