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TimeTree compares all taxa in one inclusive group (e.g., Feliformia) ... Hedges SB, Dudley J & Kumar S (2006) TimeTree: a public knowledge-base of divergence ...
http://www.timetree.org/
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Created by Chris Halloran visit my homepage at http://www.users.nac.net/challoran ... Chemistry Tutorial Introduction - The Biology Project, Univ. of Arizona ...
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Germplasm Resources Information Network provides germplasm information about plants, animals, microbes and invertebrates.
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