Mounting as an expression of dominance in baboons is believed to also serve to:
a. indicate a threat.
b. indicate sexual preference.
c. indicate aggression.
d. submission.
e. defuse tense situations.
e
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Which of the following statements about punctuated equilibria and Darwinian gradualism is best supported by the fossil record? a. Neither model clearly explains the changes we see in the fossil record. b. Darwinian gradualism is most supported in the fossil record
c. Punctuated equilibria is most supported within the fossil record. d. Both models of evolutionary change are in evidence in the record.
The ability to change one's class position is called:
a. open class. b. egalitarianism. c. social mobility. d. common-interest societies. e. caste avoidance.
In the 'merry go-round' of Pakistani/Bangladeshi politics, democratic rule is usually followed by what?
A- military rule B- civil war C - economic decline
All of the following are true about chronometric dating techniques EXCEPT:
A. they give us a specific age for a fossil. B. many elements found in bones contain radioactive components that do not change over time. C. examples include radiometric methods. D. they are based on analysis of a piece of the fossil itself or on analysis of the rocks surrounding the fossil.