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Thu, 13 Feb 2003 22:20:35 +1300 |
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>alas, things are not always so simple in nature as our limited human mind
>would like them to be! Populations can be separated by long distances, or by
>sexual isolation mechanisms, different species can, like in the case of
>European frogs, interbreed, produce a third fertile species as hybrid, yet
keep their characteristics as separate species.
Yes, the textbook definition of species, as with so many "common
knowledge" things, is dumbed-down rubbish. Baleen whales (mysticetes)
produce viable hybrids... between clear-cut GENERA.
--
Andrew Grebneff
165 Evans St, Dunedin 9001, New Zealand
<[log in to unmask]>
Seashell, Macintosh, VW/Toyota van nut
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