Patterns of Evolution Vocab Bellringer 3.19.19

Front

When two organisms evolve in response to each other

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Coevolution

Front

Horse evolution shows long stable periods interrupted by brief rapid changes.

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Punctuated Equilibrium

Front

A slow constant rate of change is ...

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gradualism

Front

Two closely related species become different through

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divergent evolution

Front

Slow evolutionary changes over time.

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Gradualism

Front

Unrelated species evolve similar traits in similar environments.

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Convergent evolution

Front

Loss of a few species in an area due to events like forest fires is called:

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Background extinction

Front

Sharks and dolphins have streamlined bodies for efficient movement in water. This exemplifies which type of evolution?

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Convergent

Front

New species from a single species adapting to various environments.

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Adaptive radiation

Front

Rare loss of entire species due to a catastrophic event.

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Mass extinction