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Evolutionary biology


On the Origin of Species ... the title of Charles Darwin's great work of 1859 seemed to promise a solution to this “mystery of mysteries”. Although we now know vastly more about speciation than we did 150 years ago, the one mystery has become many — and the possible solutions have multiplied.

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Figure 1


Figure 2: Hybrid speciation.
Figure 3: Reverse speciation.

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Hendry, A. Speciation. Nature 458, 162–164 (2009).

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