Multiple Choice Quiz

Please choose the best answer to the following questions.


1	Which of the following is a criterion for evaluating the success of a biological species?
		A)	reproductive success
		B)	longevity
		C)	brain size
		D)	Both A and B.


2	What is the population of humans today?
		A)	over 2 billion
		B)	over 3 billion
		C)	over 6 billion
		D)	over 10 billion


3	What is our population projected to reach by the year 2050?
		A)	2.5 billion
		B)	4.8 billion
		C)	9.3 billion
		D)	11.6 billion


4	The definition of carrying capacity is
		A)	the maximum population of a species allowed by existing environmental conditions and resources.
		B)	the environment of an organism and its adaptive response to that environment.
		C)	a system of socioeconomic stratification where strata are closed and a person’s membership is determined at birth.
		D)	when an organism has physical traits and behaviors that allow it to survive in a particular environment.


5	The idea that events are dependent upon all preceding events and that a change in one event will affect all that follow from it is the definition of
		A)	contention.
		B)	contingency.
		C)	continuation.
		D)	contractile.


6	Which continent accounts for 80 percent of AIDS deaths worldwide?
		A)	North America
		B)	South America
		C)	Africa
		D)	Europe


7	In Zimbabwe, what portion of the population is HIV positive or has AIDS?
		A)	.01 percent
		B)	10 percent
		C)	15 percent
		D)	25 percent


8	Which of the following is a disease that has jumped from other species to ours?
		A)	hanta virus
		B)	ebola virus
		C)	campylobactor
		D)	all the above

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