Ecosystem Quiz #2

How are the living creatures in an ecosystem linked?

• By what they eat

• By how they breathe

• By their size

• By their species`

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What can you infer from the fact that the disappearance of just one species can disrupt an entire food chain?

• Every food chain depends entirely on a single species

• Food chains are extremely fragile

• Food chains can regenerate on their own

• Food chains would not exist without humans

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How is a food web different from a food chain?

• Food webs contain only producers, not consumers.

• Food webs do not include decomposers.

• Food webs contain many different, linked food chains.

• Food webs exist in aquatic environments; food chains exist in terrestrial environments.

Which of the following is a producer?

• 
• 
• 
• 

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Through what process do producers make their own food?

• Parthenogenesis

• Photosynthesis

• Meiosis

• Mitosis

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What role do you play in the food web?

• Producer

• Consumer

• Decomposer

• Human

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How might a lack of sunlight disrupt the food web?

• It would cause consumers to consume less.

• It would prevent decomposers from decomposing matter

• It would prevent producers from producing nutrients.

• It would not disrupt the food web at all.

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How are primary consumers different from secondary consumers?

• Primary consumers eat only plants; secondary consumers eat other consumers.

• Primary consumers eat other consumers; secondary consumers eat only plants.

• Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.

• Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.

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This organism is most likely

• A primary consumer

• A secondary consumer

• A decomposer

• A producer

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An animal that hunts other animals for food is a ___________

• herbivore
• predator
• prey
• omnivore

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