Marine Ecology Flashcard

Front

What is a community in an ecosystem?

Back

A community is made up of all the different species in an ecosystem.

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What is parasitism?

Back

Parasitism is a living relationship between two species in which one organism is harmed.

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What is ecology?

Back

Ecology is the study of the interaction of organisms and their environment.

Front

What defines a population?

Back

A population is the total number of one species in an area.

Front

What type of interaction occurs when one organism benefits at the expense of another?

Back

This interaction is called parasitism.

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What is mutualism?

Back

Mutualism is a type of symbiotic relationship where both species benefit.

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What is commensalism?

Back

Commensalism is a relationship where one species benefits and the other is neither helped nor harmed.

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What is a food chain?

Back

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

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.