Which of the following adaptations is connected to living at high altitudes?
A. greater lung capacity
B. narrow skulls
C. lactase production
D. high levels of hemoglobin
Answer: A
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a. less than b. the same as c. more than d. The prosimians don't resemble other mammals at all.
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The Kafaina groups of Papua New Guinea are considered to be multiethnic associations as well as savings-and-loan associations because they link thousands of women from __________
A) different tribal areas B) different clans C) areas around the globe D) a variety of social classes
The vitamin D hypothesis
a. helps explain why dark-skinned populations are found near the equator. b. has never been challenged. c. cannot explain why light skin may be adaptive in low UV environments. d. remains the primary hypothesis explaining why skin color lightened as populations moved out of Africa. e. helped Pasteur to discover the process of homogenization