Pollen found at an archaeological site is a good example of a(n)
a. artifact.
b. ecofact.
c. fossil.
d. feature.
b
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Low sun exposure has been shown to cause vitamin D deficiency, which can result in rickets, or bone deformations. Since the 1930s, milk has been fortified with vitamin D to prevent rickets. You could say that fortifying milk is
A) a biological means of adaptation B) meant as a way of keeping us out of the sun, high exposure to which can cause skin cancer C) a cultural means of adaptation D) a substitute for a mother's milk, which is naturally high in vitamins E) a copout, since it means getting your vitamin D with your breakfast cereal instead of having to spend time on the beach
Gorillas use a quadrupedal form of locomotion called __________
A. brachiation B. knuckle walking C. arboreal climbing D. diurnal sauntering
The extended family seems to have clear advantages:
a. In stable cultivating societies where ownership of land is important. b. In hunting and gathering societies living on the margins of existence. c. In industrial societies with large urban populations. d. In socialist rather than capitalist societies. e. Where marriage is a matter of free choice rather than arrangement.
Probable adaptive advantages of bipedalism do NOT include that bipedalism
A. increased hominins' ability to brachiate through trees and thus escape from predators. B. helped hominins survive in open savanna environments. C. allowed hominins to carry things to a home base. D. helped to reduce exposure to solar radiation. E. increased hominins' ability to see over tall grass and thus to spot food and predators.