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Practice problem

Gradualism — Definition & Examples

By Sylvia Freeman
In the image, a vaguely greenish-brown ancestor bug is shown gradually evolving into two different leaf bug mimics over time. In gradualism, evolutionary change happens slowly, over many generations.

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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