Ecology Review

Front

What is the Biosphere?

Back

The Biosphere contains all ecosystems on Earth.

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What is a stimulus?

Back

A stimulus is something in the environment that causes an organism to respond.

Front

What is an organism?

Back

An organism is a complete living thing.

Front

How can the presence of elk affect songbird populations?

Back

Elk can reduce songbird populations by eating young trees, which decreases nesting sites.

Front

What is a limiting factor?

Back

A limiting factor is a factor that causes the growth of a population to decrease.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with the environment.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

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 habitat?

Back

A habitat is the natural environment in which an organism lives.

Front

What is an adaptation?

Back

An adaptation is a characteristic that improves an organism's ability to survive and reproduce in its environment.