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Practice problem

Gradualism — Definition & Examples

By Sylvia Freeman
The image shows a vaguely greenish-brown ancestor bug that remains the same for a period of time, then rapidly evolves into two different leaf bug mimics over a relatively short amount of time.

Illustration by Sylvia Freeman.

Which pattern of evolution does this image best describe?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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