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Amphibians â the comeback kings of evolution
Dann Pigdon writes:
> ...The work revealed that today$,1ry(Bs amphibians have three common
> ancestors [...]
_Three_ common ancestor?!
> Another two booms happened around the Cretaceous-Tertiary
> extinction, about 65 million years ago. In total, approximately 86%
> of frog species alive today and more than 81% of salamander species
> descend from just five amphibian species that survived this mass
> extinction 65 million years ago...
OK, I am genuinely perplexed here: what did the _other_ 14% of extant
frogs evolve from, if not K/T-survivor frogs?
/o ) \/ Mike Taylor <firstname.lastname@example.org> http://www.miketaylor.org.uk
)_v__/\ "You can't have free speech without responsibility, and anyone in
such a high profile position has to know the difference between
saying what you want and saying what you ought" -- Geoff Thompson,
acting FA chairman, shows his ignorance.