True/False

Please answer all questions


1	Culture has no effect on biology.
		A)	True
		B)	False


2	Populations are the units of evolutionary change.
		A)	True
		B)	False


3	Migration is the most significant factor in population change.
		A)	True
		B)	False


4	At current growth rates the world population is expected to reach 9.3 billion by the middle of this century.
		A)	True
		B)	False


5	Melanocytes are specialized skin cells that produce the pigment melanin.
		A)	True
		B)	False


6	Correlations have been found between blood type and susceptibility to certain diseases.
		A)	True
		B)	False


7	Farming and animal domestication allowed infectious diseases to have a greater impact on humans.
		A)	True
		B)	False


8	Humans are immune to diseases that affect other species.
		A)	True
		B)	False


9	Microorganisms are not sophisticated enough to evolve.
		A)	True
		B)	False


10	Ultraviolet radiation aids in the body's synthesis of vitamin D.
		A)	True
		B)	False

2002 McGraw-Hill Higher Education
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