The efficiency of Paleoindian populations in the Americas may have hastened the extinction of large Pleistocene animals such as mammoths
a. True
b. False
Indicate whether the statement is true or false
True
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In societies that practice matrilineal descent, a man belongs to the same descent group as his __________.
A) daughter B) sister’s son C) brother’s daughter D) uncle’s mother
The sickle-cell gene is often fatal to those who __________
a. inherit it from only one parent b. inherit it from both parents c. get malaria d. live in warm regions of the globe
Which of the following statements about polyandry is most likely true?
A. It is a cultural adaptation to mobility associated with male travel for trade, commerce, and warfare. B. It is almost always sororate. C. It is legal in the United States. D. It is found only among fishing communities in Madagascar. E. It is a cultural adaptation to the high labor demands of rice cultivation.
The study of ______ shows that there is significantly more carbon dioxide in the earth's atmosphere than at any time in the last 800,000 years
a. ice core data b. earth's electromagnetic field c. aurora borealis analyses d. coral reefs e. eyes chordata