Understanding Evolution: your one-stop source for information on evolution
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Primer on trees

Tree misinterpretations

Field guide to evolutionary trees

How to build a tree

Trees matter

For teachers

For museums and zoos


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The Tree Room :

Evolutionary trees: A primer
by the Understanding Evolution team

Confused by a tree diagram in a textbook, webpage, or museum exhibit? Need a quick review of tree-reading before delving into a more difficult topic? This short primer is the place to start. It provides the basic facts you need to know to interpret trees. You can explore the following topics:

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Evolutionary Trees: A Primer
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