Multiple Choice
This chapter's "Appreciating Diversity" segment describes recent DNA analysis of Australian Aborigines, which revealed that their ancestors branched off from ancestral Europeans and Asians 70,000 to 50,000 years ago. This research indicates
A) Aborigines developed a dark skin color independently from Africans.
B) Australian Aborigines are direct descendants of the first modern humans to leave Africa.
C) Aboriginal Australians have a more recent population history than Europeans.
D) Aborigines maintained regular contact with people from other continents.
E) Ancestral Aborigines had cultural but not genetic isolation.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: There is much greater variation within each
Q11: Bergmann's rule states that average body size
Q12: Which of the following is the best
Q13: Native Australians are closer genetically to tropical
Q15: Skin color is a simple biological trait
Q31: This chapter's discussion of lactose tolerance highlights
Q31: Which of the following statements about the
Q33: Genes and phenotypic adaptation work together to
Q35: Why do differences in skin pigmentation exist
Q39: In the case of skin color,natural selection