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Why are some groups of animals so diverse?
physorg.com — A new study of finger-sized Australian lizards sheds light on one of the most striking yet largely unexplained patterns in nature: why is it that some groups of animals have evolved into hundreds, even thousands of species, while other groups include only a few?
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- Junkyarddawg, on 10/10/2007, -0/+3Because they have lifestyles or live in environments which split up the species into a large number of distinct, isolated, populations. If isolation is prolonged, they can evolve into a new species.
- jj101, on 10/10/2007, -0/+0Perhaps there is some indicator of a species success, such as population or the availability of mates, in any given environment that causes an evolutionary pressure to diversify and therefore increase the likelyhood that one of the mutations is better suited to that environment.
- timusca, on 10/10/2007, -2/+2Because evolution is a heavily flawed theory. I'm fully aware I'll get dugg down and flamed for that comment, but I really don't care.
- jj101, on 10/10/2007, -1/+1That seems like such a negative and pointless comment! I am genuinely interested to know what part of the theory you think is flawed. Any chance of a constructive debate?
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