9 个月
Haaretz.com on MSNFemale Giraffes Drove the Evolution of Long Giraffe Necks in Order to Feed on the Most ...Several decades later, when scientists started observing giraffes in Africa, a group of biologists came up with an alternative theory based on sex and reproduction. These pioneering giraffe ...
来自MSN1 个月
We studied more than 500 giraffe skulls from all over Africa, and confirmed there are 4 ...Giraffe skulls are important to the animals' reproduction and evolution. That's because of their ossicones, the horn-like structures that are longer and wider in males than in females. The size ...
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