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
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
Approximately 40 percent of farmers in the United States are 55 years old or older
Trends in employed mothers with a child/children younger than 3 years of age
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
A pedigree for albinism collected in the early years of the twentieth century by Charles Davenport,