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
Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a
Growth of the body and brain is dramatic over the first 2 years.
Checklist of Developmental Skills: Birth to 5 years Cont.
Average Years of Schooling versus GDP per Capita