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Animals That Evolved from Crazy-Different Ancestors

By Becky Ferreira May 12, 2014

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A few weeks back, scientists discovered an ancient shark fossil that challenges the conventional wisdom that evolution basically left the shark family alone. It turns out that these apex predators hit upon the broad strokes of their design early, but more subtle advances—like their streamlined gills—are recent additions. We thought we'd share some other examples of animals who have changed a lot over the millennia, because the shapeshifting powers of natural selection are pretty darn amazing.

Of course, if you go back far enough, we all look like a bunch of pond scum, so take our parameters with a grain of salt!

Tags: science, slideshows, nature, evolution, evolve

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About the Author
Becky Ferreira

Becky Ferreira is a writer, performer, and raptor based in New York.

Wanna contact a writer or editor? Email contribute@sparknotes.com.