The geological record indicates there have been at least _______ mass extinction events in the past 570 million years
a. ?5
b. ?1,000
c. ?100
d. ?15
e. ?150
d
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The practice of sororal polygyny tends to maximize stress and competition within the family
a. True b. False
The cargo system is part of the social organization found in many Central American communities in which a poor individual is named to carry out and bear the cost of important religious ceremonies throughout the year
Indicate whether the statement is true or false
A prehensile tail is found exclusively among:
A. apes B. Old World monkeys C. New World monkeys D. prosimians and tarsiers
Which is the best example of natural selection?
a. the peppered moth b. the medium ground finch of the Galápagos c. the recent increase in resistant strains of disease-causing microorganisms d. the recent decrease in resistant strains of disease-causing microorganisms e. Mendel's project with peas and beans