Sexual dimorphism refers to the:
a. onset of menarche.
b. reduction in bone growth rate with the fusion of epiphyses.
c. difference in sexual characteristics before versus after puberty.
d. difference in physical attributes of males and females.
d. difference in physical attributes of males and females.
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The cephalic index was a way to measure a human head
a. True b. False
Which of the following is NOT one of the main functions of the circulatory system?
A. protection B. retention C. regulation D. transportation
The stone tools associated with Neandertal populations were first identified at the site of __________
A. Olduvai Gorge B. Le Moustier C. St. Acheul D. Cro-Magnon
Which of the following statements is true about agriculture?
a. It has access to a much smaller supply of available energy than that of other food-procurement strategies. b. It relies on animal power, mechanized technology, and non-mechanized technology for production. c. It usually fails to produce surplus food. d. It almost always lacks an adequate supply of labor. e. It relies on gas-powered tractors and other forms of modern technology.