One of the fathers of the "modern synthesis" of evolutionary biology, Theodosius Dobzhansky, stated that "nothing in biology makes sense, except in the light of evolution." His words are equally true when applied to related fields, such as agriculture, medicine, and environmental and conservation biology. The books, articles, and Web sites listed here discuss the importance of evolution as the...

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In 2006, the National Association of Biology Teachers held a special Symposium on Macroevolution. Macroevolution is evolution occuring on a grand time scale and explores areas such as the origin of species and the development of novel innovations like sexual reproduction. In this video Dr. Kathleen Smith from Duke University discusses her research on the evolution and development invertebrates.

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The human species shares a common genetic code with all other life on this planet, and many of our basic traits are a heritage from the long evolutionary history that took place before the human lineage branched off from the apes around 6 million years ago. Yet we also have our own set of uniquely human adaptations. Explore these resources for more about the evolution of humans and our closest...

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The extensive evidence in support of both fact and theory of evolution comes primarily from studies of the fossil record, molecular sequences, and comparative anatomy. Here you'll find some pivotal resources, on the Web and in books and articles, that summarize the intersecting and overlapping lines of evidence for evolution.

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If you're looking for information about how individual species arise, how systematists classify them, or how many species are currently living on the planet, you've come to the right place. For information about species extinction, see the Deep Time/History of Life page.

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