Environmental consequences related to industrial agricultural often led to _____
a. less soil erosion
b. an increase in genetically modified foods
c. a decrease in deforestation rates
d. a reduction in soil and water contamination
e. a decrease in fuel and machinery costs
ANSWER:
b
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The Brazilian government agency FUNAI has supported the position of indigenous groups in __________ disputes
a. language and culture b. pension c. territorial d. compensation
The diversification of reptiles facilitated by the evolution of the reptilian egg is a good example of
a. parallel evolution. b. specialization. c. homology. d. adaptive radiation. e. devolution.
Understanding human evolution, unlike that of other species, is particularly complex because of:
a. the incomplete fossil record b. the rapid rate of decomposition among mammals c. the presence of culture d. the frequent migration associated with our species
Dark skin is advantageous in the tropics because it
a. protects from frostbite. b. protects from overexposure to ultraviolet radiation. c. helps prevent rickets. d. promotes vitamin D synthesis. e. increases the skin's exposure to ultraviolet radiation.