Ecology Review

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What is mutualism?

Back

A type of symbiosis where both species benefit from the relationship.

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What is commensalism?

Back

A type of symbiosis where one species benefits and the other is neither helped nor harmed.

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What is parasitism?

Back

A type of symbiosis where one species benefits at the expense of the other.

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What factors can increase the carrying capacity of an ecosystem?

Back

Factors such as an increase in available food, water, and shelter can increase the carrying capacity.

Front

What is the energy transfer efficiency in an energy pyramid?

Back

Typically, only about 10% of the energy is transferred to the next level, while 90% is lost as heat or used by the organism.

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What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

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What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

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What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

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What is an autotroph?

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An organism that produces its own food, typically through photosynthesis.