Evolution in the tropics

May 2, 2006
Filed under: en, science 

The Guardian has an interesting article about the reason why there are more species in the tropics. It turns out they evolve faster, probably because of a higher metabolism rate.

I’m not sure I believe it’s the main reason – my gut feeling is that the higher population density has more to do with it, but it does of course explain why the species are so different.

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