What is so significant about the recent fossil finds of an H. erectus and an H. habilis from Ileret, Kenya, east of Lake Turkana?
A. They prove that H. erectus and H. habilis coexisted in the same ecological niche and eventually interbred to result in a single species.
B. They confirm that H. habilis evolved from H. erectus.
C. They prove that sexual dimorphism was finally absent as a trend in human evolution by 2 m.y.a.
D. They negate the conventional view held since 1960 that habilis and erectus evolved one after the other. Instead, they lived side by side in eastern Africa for perhaps half a million years.
E. They prove that functional differentiation in toolmaking preceded the advent of Homo.
Answer: D
You might also like to view...
Which of these statements about polyandrous marriage is FALSE?
a. In places where it is permitted, it is not the primary form of marriage. b. Responsibility for the wife and children is shared equally by all the brothers/husbands. c. Polyandry has the effect of keeping population low. d. Women in polyandrous marriages tend to have a higher standard of living than others.
The size of an archaeological settlement depends on all of the following except
A. the number of inhabitants. B. how long people have lived there. C. the kinds of activities that took place there. D. the climate of the surrounding region.
In most hunting and gathering societies, land is not owned privately
a. True b. False Indicate whether the statement is true or false
Which of the following kinds of exchange is characteristic among the members of a family?
A. negative reciprocity B. balanced reciprocity C. generalized reciprocity D. redistribution E. None of these answers is correct.