Ecosystems Review

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What is commensalism?

Back

A relationship between two organisms where one benefits and the other is neither helped nor harmed. (Symbol: +/0)

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What is a predator?

Back

An organism that eats other organisms to live.

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What is a carnivore?

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An animal that only eats other animals.

Front

What happens to the mouse population when a cat population joins their community?

Back

The mouse population goes down as the cat population goes up.

Front

True or False: A food web is a simple chain of who eats whom.

Back

False. A food web shows the complex interactions between multiple organisms.

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What is an herbivore?

Back

An animal that only eats plants.

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What is an omnivore?

Back

An animal that eats both plants and animals.

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What is a decomposer?

Back

An organism that breaks down dead or decaying organisms, returning nutrients to the ecosystem.

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What is the role of producers in an ecosystem?

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Producers, like plants, create their own food through photosynthesis and provide energy for other organisms.

Front

What is a food chain?

Back

A linear sequence of organisms where each is eaten by the next in the chain.