Ecology Basics

What role do you (a human) 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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Sheep are herbivores. What can you infer from this?

• They are primary consumers.

• They are producers.

• They are secondary consumers

• They are decomposers.

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Through what process do producers make their own food using sunlight?

• Parthenogenesis

• Photosynthesis

• Meiosis

• Mitosis

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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.

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 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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This organism is most likely:

• A primary consumer

• A secondary consumer

• A decomposer

• A producer

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Which of the following is a producer?

• 
• 
• 
• 

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