Multiple Choice Quiz

Please answer all questions


1	The number of individuals added to the population through reproduction is called
		A)	mortality
		B)	natality
		C)	emigration
		D)	immigration
		E)	none of the above


2	A population's ability to grow by reproduction depends on its sex ratio and age distribution.
		A)	True
		B)	False


3	Given a large geographical area, populations will tend to be evenly distributed because individuals often compete for the same resources.
		A)	True
		B)	False


4	An age distribution figure for a country with rapidly increasing population, like that of Kenya, will have its population clustered in which stage?
		A)	prereproductive
		B)	postreproductive
		C)	lag phase
		D)	reproductive
		E)	none of the above


5	As a scientist, you determine that the death rate of the species you are studying has greatly increased and that the number of your subject species has not increased significantly for some time. What part of the growth curve have you reached?
		A)	lag phase
		B)	limit to the biotic potential
		C)	stable equilibrium phase
		D)	exponential growth phase
		E)	none of the above


6	Which of the following does not determine the carrying capacity of a particular geographic area?
		A)	availability of raw materials
		B)	availability of energy
		C)	interactions among organisms
		D)	accumulation of waste products
		E)	all of the above help determine the carrying capacity


7	If a population size is declining it is said to be in its death phase.
		A)	True
		B)	False


8	Which of the following does not fit a description of a K-strategist?
		A)	produce few offspring
		B)	relatively long life span
		C)	typically stabilize at the carrying capacity
		D)	high infant mortality rates
		E)	all of the above describe a K-strategist


9	Which is an example of an r-strategist?
		A)	owl
		B)	grasshopper
		C)	human
		D)	deer
		E)	all of the above


10	Populations of r-strategists tend to be limited by density-dependent limiting factors.
		A)	True
		B)	False


11	At current population growth rates, the population of the world will double in approximately how many years?
		A)	The population is actually declining.
		B)	10 years
		C)	50 years
		D)	100 years
		E)	500 years

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