fossilfinding

Fossil Finding

1 Years ago
Mammal forerunner that reproduced like a reptile sheds light on brain evolution

Mammal forerunner that reproduced like a reptile sheds light on brain evolution

Compared with the rest of the animal kingdom, mammals have the biggest brains and produce some of the smallest litters of offspring. A newly described fossil of an extinct mammal relative -- and her 38 babies -- is among the best evidence that a key development in the evolution of mammals was trading brood power for brain power.

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