Which of these statements is NOT true?
A. "Genetic drift can operate in any population, large or small."
B. "Fixation due to genetic drift is more rapid in large populations."
C. "Genetic drift is a mechanism of genetic evolution."
D. "Random genetic drift is a change in allele frequency that results from chance."
E. "Alleles can be lost by chance rather than because of any disadvantages they confer."
B
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While it certainly is subject to natural selection and shaped by environment, _________ is not a particularly good indicator of a person's geographic origin
a. skin color b. eye form c. head shape d. hair color
Pastoralists are like food foragers in that:
a. both have some members of the group who remain behind to protect the camp. b. both now live in areas that are marginal, where land is not suitable for farming. c. both count on flexibility to get the game they hunt. d. both engage in occasional horticulture. e. women are the ones who primarily contribute to daily food intake.
In societies with occupational specialization, __________ may be asked to convey messages or requests for healing to higher powers.
A) sorcerers B) shamans C) physicians D) priests
Mammals did not become the dominant form of large terrestrial animals until:
A. the demise of the dinosaurs B. they developed methods of behavioral thermoregulation C. they developed mammary glands D. the evolution of primates