In the 5-6 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. 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) A and B only
E) A, B, and C
Answer: A) species selection
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Anthropogenic events ____
a. refer to the carbon cycle b. refer to all nutrient cycles c. originate with human activities d. refer to absorption of the sun’s energy in the atmosphere e. are caused by human overpopulation
The kingdoms included in the Linnaeus system of classification are
A) Animalia and Prokaryotae. B) Protista and Plantae. C) Fungi and Protista. D) Animalia and Plantae. E) Prokaryotae and Protista.
The 1999 report from the Institute of Medicine revealed that _____
people die each year in the United States as a result of medical errors in hospitals the number of deaths due to medical errors is higher than deaths from either car accidents or breast cancer medical errors come from incorrect or incomplete diagnosis or treatment and may involve laboratory tests, equipment, surgery, or medication all of the above
what are the four biological macromolecules?
What will be an ideal response?