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Old 10/24/2005, 01:43 PM
romunov romunov is offline
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Join Date: Apr 2004
Posts: 4,378
Quote:
To clear up some confusion... the old taxonomic grouping called the "Phylum Platyhelminthes" is no longer considered to be a valid group. Examination of the fine structure of the animals in it, coupled with analyses of the genetic material, indicates that it was a "false" grouping, one made on gross structural appearance. Unfortunately, not all things that look alike are related (sorta like sharks, porpoises, and tuna all have the same general shape, but are only very distantly related).
Sooky, that's what we were discussing today at invertebrate zoology class.
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