________ involves a separation and isolation of populations of the parent species.
A. Speciation
B. Allopatric speciation
C. Phyletic gradualism
D. Punctuated equilibrium
Answer: B
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There are no "costs" of bipedalism
Indicate whether the statement is true or false
Cultures respond to motions and actions within and around them because they are:
a. symbolic. b. functional. c. ethnocentric. d. dynamic. e. integrated.
Radiometric dating techniques
a. are not based on the phenomenon of radioactive isotope decay rates b. can be used to determine the absolute age of organic materials c. include the K/Ar but not carbon-14 methods d. are a form of stratigraphy e. are relative dating techniques
Why is intensive agriculture considered to be a less stable means of subsistence than foraging? a. In general, people do not like to work harder and tend to neglect crops. b. It is associated with a lower population
c. There is less species diversity in crops. d. It always depends much more on stable climatic conditions.