Ecosystems and Food Webs Quiz

What are some examples of how the relationship between the populations of deer and wolves depends on each other? Select all that apply.

• Deer and wolves have no relationship

• When deer population increases, wolf population also increases

• When deer population decreases, wolf population also decreases

• Deer and wolf populations are unrelated

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How do producers obtain energy?

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Based on what you learned from the owl pellet, what can you conclude about the diet of a consumer?

• Consumers eat just one type of thing

• Consumers eat a variety of things

• Consumers eat only plants

• Consumers eat only animals

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What can we conclude by studying food webs?

• Food webs show the flow of energy in an ecosystem

• Food webs show the competition between organisms

• Food webs show the migration patterns of animals

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What can be found in all food webs?

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Should the sun be connected to all living things in a food web?

• YES all living things obtain energy DIRECTLY from the sun

• NO, only producers obtain energy DIRECTLY from the sun.

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What is a decomposer? ​

• An ABIOTIC factor that breaks down the remains of dead animals and plants into soil.

• A BIOTIC factor that breaks down the remains of dead animals and plants into soil.

What are some examples of decomposers? Select all that apply.

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What are things that biotic factors might compete over? (Select all that apply).

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What is competition in an ecosystem?

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