What do gene flow and interbreeding act against?
A. Migration.
B. Speciation.
C. Natural selection.
D. Mutations
E. Balanced polymorphisms.
Answer: B. Speciation.
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What do the two earliest Neandertal discoveries have in common?
a. They were both found in Germany. b. They were both remains thought to be australopithecines. c. They were not recognized as examples of Neandertals. d. They were of identical ages.
According to your text, paleoanthropologists suggest that the fossil forms called __________ were the immediate predecessors to the genus Homo
A. Aegyptopithecus B. Proconsul africanus C. Australopithecus D. Ardipithecus
The legendary Xia dynasty, proclaimed in myth as the dawn of the Chinese civilization, may be evidenced in in the increased complexity of Erlitou at around
a. 8,000 - 7,600 ya. b. 6,500 – 6,250 ya. c. 5,000 – 4,000 ya. d. 4,600 – 3,200 ya. e. 3,900 to 3,600 ya
Because of the emergence of devastating infectious diseases in Europe, the urban population there was not self-sustaining until which century?
a. 18th b. 19th c. 20th d. 21st