Interestingly, some of the physical markers that have led scientists to identify certain fossils as early hominins rather than apes are features that have been lost during subsequent human evolution. Which of the following is an example of this?
A. stereoscopic vision
B. climbing ability
C. thin enamel on teeth
D. big back teeth
E. chimplike tool use, such as termite capture
Answer: D
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The bottle gourd appears to have a much different origin than other New World domesticates. Which of the following explains its origins?
a. It floated across the Atlantic Ocean from Africa, where it occurs in the wild. b. AMS radiocarbon dates of samples and analyses of DNA markers indicate the gourd was carried from Asia by PaleoIndian colonists. c. It was packed on the back of dogs which accompanied the first humans into the New World. d. It spread with guinea pigs and Muscovy ducks from western South America. e. No scientific explanations have been reached as to the origins.
According to Tannen in "Conversation Style: Talking on the Job," women's conversation often works at the appearance of equality. Men's conversation, on the other hand, is often directed at
a. an attempt to put others in a one-down position by bragging or inferring superior knowledge. b. avoiding the one-down position by acting as if they don't know what the other person means. c. avoiding the one-down position by ignoring other people. d. avoiding the one-down position by using oppositions such as banter, joking, teasing, and playful putdowns.
Which of the following is a benefit of farming?
A. greater predictability of staple species B. less work C. a broader diet D. better health E. fewer diseases
From the ancient literature of the Romans and Greeks, Europeans knew of other civilizations to the east, such as India and China
Indicate whether the statement is true or false