In the 5-7 million years that the hominid lineage has been diverging from its common ancestor with the great apes, dozens of hominid species have arisen, often with several species coexisting in time and space. As recently as 30,000 years ago, Homo sapiens coexisted with Homo neanderthalensis. Both species had large brains and advanced intellects. The fact that these traits were common to both species is most easily explained by which of the following?
A) species selection
B) uniformitarianism
C) sexual selection
D) convergent evolution
Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
During drought years on the Galapagos, small, easily eaten seeds become rare, le
The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ...
Step-Wise Treatment of Asthma in Children > 12 Years of Age and Adults
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Earth 200 Million Years Ago