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Ecology Review Test

Authored by Tim Campbell

Science

9th - 12th Grade

Used 6+ times

Ecology Review Test
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Coyotes are opportunistic predators that are found throughout most of North America. They typically feed on small mammals, insects, and fruits and vegetables. They are known for their dietary adaptability. What would be the best description of their role in the food web?

An herbivore

A carnivore

An omnivore

A decomposer

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?

The frogs make energy available to this ecosystem through the process of photosynthesis.
The algae directly provide food for both the rotifers and the catfish.
The green-backed heron provides energy for the mosquito larvae.
The catfish population helps control the populations of water boatman and waterfleas.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A team of ecologists observed feeding patterns of several populations in the desert. The energy pyramid shown below depicts the feeding patterns the ecologist observed. Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.
There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels. 
There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have. 
There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?

Hawk
Rabbit
Grasshopper
Mouse

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows the cycling of nutrients in an ecosystem. The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system? 

Producers
Consumers
Decomposers
Inorganic nutrients

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following energy pyramids shows the correct placement of trophic levels?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If several species of carnivores are removed from an ecosystem, the most likely effect on the ecosystem will be:

An increase in the kinds of autotrophs

A decrease in the number of abiotic factors

A decrease in stability among populations

An increase in the rate of succession

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