>Can you cite an example of an animal we have changed so much it won't
survive without us??

The silkworm.  For plants, how about maize (corn)?  Neither can survive
even a single generation without human help.  And I doubt that breeds of
featherless chickens or dogs would do so for long either.  Or modern breeds
of meat turkeys.

Or more directly, the commercial bee breeds consisting mainly of the C1
mitotype, which do not persist in the wild in North America when they
escape domestication.

I'm thinking that we are dealing with an issue of semantics.  To me,
"survival" of a breed in the wild means survival of that specific genetic
combination without change over several generations.
-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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