What has been the trend in human evolution since the appearance of the Cro-Magnons?

a. Several small subspecies have appeared, acclimated to mini-environments.
b. Evolution has proceeded slower than usual.
c. Peripheral speciation has resulted in the emergence of the Neanderthals.
d. Evolution has become cultural rather than biological.
e. Size of organisms has steadily decreased


D

Environmental & Atmospheric Sciences

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