Scientists continue to debate the relationship between two Homo fossil finds: KNM-ER 1470, named H. rudolfensis by some, and KNM-ER 1813, generally considered to be an exemplar of H. habilis. Is the smaller KNM-ER 1813 a distinct species? Could it be a female version of KNM-ER 1470, both being simply a female and male pair of the highly variable H. habilis? The only sure conclusion is that
A. KNM-ER 1470 is more like an australopith than a Homo.
B. no hominin fossil younger than 2.5 m.y.a. has exhibited chimplike features.
C. several different kinds of hominin lived in Africa before and after the advent of Homo.
D. there is a trend in hominin evolution toward large molars.
E. females are poorly represented in the hominin fossil record.
Answer: C
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a. True b. False Indicate whether the statement is true or false
In some Native American societies, names could change or be acquired over time and __________
a. could be disposed of on a whim of the bearer b. were attempts to gather supernatural protection or powers c. were tied to the age of the person d. always had to be different from any parental name
What did the field studies of Japanese primatologist Kinji Imanishi reveal about bonobos?
a. importance of social ranking and competition b. importance of social cooperation c. importance of father–child bonds d. importance of male dominance hierarchies
_____________ is responsible for transporting genetic information to the site of protein synthesis.
Fill in the blank(s) with the appropriate word(s).