Structures that have evolved from a common ancestry are called:
A. homologies
B. analogies
C. phylogenies
D. ontogenies
A. homologies
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_________ is seen in some New World monkeys, but not in any Old World monkeys
a. Color vision b. An arboreal lifestyle c. A grasping hand d. A prehensile tail e. Quadrupedalism
Today, only three species of mammals are:
A. placentals. B. monotremes. C. marsupials. D. multituberculates.
In the ________ region of the United States, people do not speak with an accent.
A. Southeast B. West Coast C. New England D. Midwest E. None of these is correct, as regional speech variations exist throughout the United States.
Development of a mammalian brain requires all except
a. Longer period of growth b. More intense period of growth c. Slower development in utero and after birth d. Social system that ensure ample learning e. The lack of a "bond of milk" between mother and infant