Chapter 22: Problem 22
H. ergaster could have been the first to a. use and control fire. b. migrate out of Africa c. make tools. d. Both a and b are correct. e. a, b, and care correct.
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The last common ancestor for African apes and hominids a. has been found, and it resembles a gibbon. b. has not yet been identified, but it is expected to be dated from about \(6-7\) MYA. c. has been found, and it has been dated at 30 mya. d. is not expected to be found because there was no such common ancestor. e. most likely lived in Asia, not Africa.
If evolution occurs, we would expect different biogeographical regions with similar environments to a. contain the same mix of plants and animals. b. each have its own specific mix of plants and animals. c. have plants and animals with similar adaptations. d. have plants and animals with different adaptations. e. Both b and c are correct.
Describe the characteristics of australopithecines, early Homo, Homo erectus, Neandertals, and Cro-Magnons. (pages \(528-34\) )
Contrast the multiregional continuity hypothesis with the out-of-Africa hypothesis for the evolution of Homo sapiens. (page 533 )
Evolution of the DNA \(\rightarrow \mathrm{RNA} \rightarrow\) protein system was a milestone because the protocell could now a. be a heterotrophic fermenter. b. pass on genetic information. c. use energy to grow. d. take in preformed molecules. e. All of these are correct.
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