Which of the following is related to Mayr's Biological Species Concept?
a. natural populations
b. reproductive isolation
c. potentially interbreeding populations
d. all of these
Answer d
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The Mousterian stone tool tradition:
a. is associated with both Neandertals and modern humans. b. was developed by Homo erectus. c. is found in Asia only. d. is found in Western Europe only. e. is associated with Neandertals only.
A critical problem for indigenous people has been that as world population increases:
a. The percentage of the world composed of indigenous people decreases. b. Indigenous people are less able to make their voices heard in local and regional governments. c. There is increased pressure on them to increase their family size and this often destabilizes their production system. d. Land shortages have resulted in changes to traditional practices or, sometimes, the virtual disappearance of traditional livelihoods. e. The problems of indigenous people matter less and less to others.
Which of the following best describes reproductive asymmetry?
a. Females have a higher reproductive rate than males. b. Males invest more energy and time in offspring than females. c. Females tend to be competed for by males. d. Females are often very concerned about finding a male.
In humans, there is a second major growth spurt after birth that occurs during
a. old age. b. infancy. c. adolescence. d. juvenile stage. e. conception.