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This is a continuously updated archive of the Aroid-L mailing list in a forum format - not an actual Forum. If you want to post, you will still need to register for the Aroid-L mailing list and send your postings by e-mail for moderation in the normal way.
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Re: The sixth sense
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From: Cgdz33a at aol.com on 2002.02.02 at 18:58:35(8140)
Evolution does not bring about genetic change. Mutation does, and selection
acts upon those mutations to cause evolution which is simply change in an
organism over time. Anyone who doubts that evolution can work either fast or
slow please explain the resistance to pesticides by insects or the resistance
of microbes to antibiotics this can occur in relatively few generations
(short generations). As for the coelacanth, mant succesful organisms do not
change over time ie. horseshoe crabs. But "speciation" leads to other other
species breaking off from a give lineage for a variety of reasons such as
isolation, climate change, etc.
Eric C. Morgan (studying heterochrony in the Araceae)
Director
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Clark Botanic Garden
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