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Evidence of Evolution

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Evidence of Evolution: Big, Science-y Themes

Unity and Diversity

If any single theme really stands out in Evidence of Evolution, this is it. To acknowledge that evolution has occurred is to acknowledge that living things are united by common ancestry, and that t...

Structure and Function

When we think about evolution, we think a lot about structure and function. This is because many physical structures of organisms are adaptations—that is, they have evolved over time for a certai...