Evolution Flashcards

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Adaptive trait

Back

A trait that makes it more likely that an individual will survive in a specific environment.

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Ancestor

Back

A related organism from a previous generation.

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Body structure

Back

A part of an organism, for example, one or more bones.

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Common ancestor population

Back

An older population from which two or more newer species descended.

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Descendant species

Back

A more recent species that evolved from an ancestor population.

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Diagnose

Back

To classify based on scientific examination.

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Environment

Back

Everything (living and nonliving) that surrounds an organism.

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Evolution

Back

The process by which species adapt to environmental changes over a very long time.

Front

Evolutionary time

Back

The very long time that spans the history of Earth, from the very first cellular life to the present.

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Extinct

Back

Having died out completely and no longer alive anywhere on Earth.