What are weirs?
a. fish traps
b. animal snares
c. housing platforms
d. type of textile tool
a
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Many primate species are threatened with extinction because of human activities. In order to improve primate's chances of survival, we need to
A) reduce our use of primates as food, pets, and research animals B) slow the growth of human populations worldwide C) slow our destruction of the global habitat (especially the tropical forests) D) all of the above E) B and C only
________ is a hypothesis in which natural selection operates not on the individual animal but on a social group as a unit
Fill in the blank(s) with correct word
A specialized species:
A. is closely fitted to a specific niche B. cannot tolerate much change in its niche C. exhibits little variation D. all of these
There are no "costs" of bipedalism
Indicate whether the statement is true or false