Jonathan Clark wrote:
>JC. This is understating the evidence, which goes far beyond toxin resistance or even industrial melanism.
>Speciation has been observed in historic times when new ecological niches have been created. Example I
>recall include as introduced rodents in sub-Antarctic islands, appearance of indigenous arthropods to feed on >introduced plants in Australia, similar appearance of fruit flies to feed on bananas in Hawaii, and speciation
>events of fish adapted to flowing waters to tranquil waters. The changes involved in these examples included
>in feeding strategies, limb and jaw morphology, and chromosome number.
Jonathan:
Could you give some references for these items.
Al McCarrick
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