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Scientists Watch As Wasps Diverge To Become Separate Species
#46
(10-31-2015, 02:45 PM)bfine32 Wrote: How are mules made?

By humans. Horses and donkeys are closely related enough that the sperm and egg will be viable together. But the two species are put together to breed by humans. Cats and rabbits are not closely related enough. The sperm cannot fertilize the egg. Mules were bred to produce a strong working beast of burden. Nobody is producing any cabbits.





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RE: Scientists Watch As Wasps Diverge To Become Separate Species - Beaker - 11-01-2015, 09:21 AM

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