From Wikibooks, the open-content textbooks collection
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The goal of The Biology Project is to improve biology understanding worldwide by providing FREE access to high quality learning materials for all levels.
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(animation)
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The Tree of Life Web Project (ToL) is a collaborative effort of biologists from around the world. On more than 4000 World Wide Web pages, the project provides information about the diversity of organisms on Earth, their evolutionary history (phylogeny), and characteristics.
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Online image collection
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