Biologists have found that there is no human genetic variation
a. true
b. false
Ans: b. false
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Watercraft are suggested at least 60,000 years ago, perhaps as people managed to get to Australia and New Guinea, which were then connected to one another in a single land mass called:
a. Sunda. b. the Aleutians. c. the Philippine archipelago. d. the Malay Peninsula. e. Sahul.
The domestication of sheep resulted in evolutionary changes that created more:
a. lean and nutritious meat b. reproductive potential within the herd c. wool for functional use d. tolerance of living near people
What does each mitochondrion contain?
a. ?46 chromosomes b. An X but never a Y chromosome c. ?Nuclear DNA d. ?Several copies of a ring-shaped DNA molecule, or chromosome e. A Y but never an X chromosome
Distinguish between the two types of pastoralism
What will be an ideal response?