Lamarckianism holds that __________
a. creatures transform and their offspring inherit those transformations
b. all species are fixed
c. random mutations provide a variation pool from which nature selects
d. allele pairs correlate due to necessity
Answer a
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As discussed in the text, the root of the conflict in Northern Ireland is tension between
a. the British and the Irish. b. Catholics and Protestants. c. two ethnic nationalities, the Irish and the Ulster-Scots. d. two subnationalities, the Scottish and the Irish.
Approximately what percentage of older women serve as shamans among the Ju/'hoansi?
a. 0 b. 25 c. 50 d. 33
Vertebrates include all of the following except:
a. fishes. b. amphibians. c. birds. d. mammals. e. insects.
According to the population geneticist, R.D. Lewontin,
a. human races have specific genetic markers. b. about 94 percent of human genetic variation is found WITHIN major population groups. c. geographical and local races account for about 85 percent of human variation. d. there's no biological value in the further study of geographical populations. e. there is great biological value in the study of floating populations.