Biology, 02.08.2019 04:10 gamallopatty

Eventually, homo erectus migrations were limited to certain areas; they could not inhabit certain areas because of a climatic change known as the pleistocene
which was:
a. a period of global warming
b. a period of changing extremes, from warm to cold
c. an ice age
d. an age of desertification (extreme dryness which killed off plant food resources)
e. all of the above, at different times

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