The tendency for the bodies of mammals living in cold climates to be shorter and rounder than members of the same species in warmer climates is known as:
a. a hunting response.
b. a secular trend.
c. Ellison's rule.
d. Allen's rule.
e. Bergman's rule.
e
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How might we best describe the subsistence strategies of contemporary cultures?
A) Most people today are food producers. B) Most people today are foragers, supplemented with small-scale animal husbandry. C) There is a roughly equal balance between foraging and food-producing cultures. D) Most people today are foragers.
Which statement about the Chinese patrilineal family is FALSE?
a. It is male focused. b. Women give their total allegiance to their husband's family. c. Children must show deference and obedience to their parents. d. Inheritance is passed from a man to his son. e. Ancestor worship is practiced even after the parents have died.
If current trends continue, the world population in 2050 is projected to be:
A) 6 billion. B) 8 billion. C) 10 billion. D) 14 billion. E) 20 billion.
Phenylketonuria is caused by __________
a. a single point mutation b. a dominant allele c. environmental factors such as diet d. a recessive allele