Despite differences arising from environmental variation, all foraging economies have shared one essential feature:
A. their emphasis on devising new forms of organic pesticides.
B. their reliance on welfare supplied by state-level societies.
C. their willingness to test out new food-producing technologies to see if they are any better than what they are used to.
D. their interest in developing irrigation technologies to control sources of water.
E. their reliance on available natural resources for their subsistence, rather than controlling the reproduction of plants and animals.
Answer: E
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Hemophilia is due to the presence of an allele on:
A. the X chromosome B. the Y chromosome C. an autosome D. none of these
Which of the following is NOT true of the domestication of plants and animals?
A. It began during the Late Pleistocene/Early Holocene. B. It happened simultaneously in the Old and New Worlds. C. It occurred independently in a number of areas. D. It appears to have occurred first in Southwest Asia
Early evolutionary schemes for comparing human societies __________
a. assumed European and American societies to be the most advanced b. assumed that there were many paths to advancement in evolutionary processes c. assumed that European societies had become dysfunctional d. romanticized indigenous cultures as superior to western societies
If the wage rate paid to a textile employee is $120 and the marginal product of a worker is 12 yards of fabric, this means that for each additional dollar spent on labor, there is a gain of ________ yards of fabric.
A) 10 B) 0.1 C) 12 D) 0.12