What is a population dispersion pattern in which individuals are spaced irregularly?
a. clumped
b. clustered
c. random
d. uniform |
| Answer: c |
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What is the capacity of a population to increase under ideal conditions?
a. biotic potential
b. carrying capacity
c. exponential growth
d. logistic growth |
| Answer: a |
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What happens when a population has used up available space or food?
a. New species evolve.
b. The population crashes.
c. The population levels off.
d. There is unrestricted growth. |
| Answer: b |
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What are two examples of density-independent factors that limit population growth?
a. disease, predation
b. food, parasitism
c. migration, inbreeding
d. severe weather, forest fires |
| Answer: d |
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What is an appropriate statement regarding human population growth?
a. Continued human population growth is attributed to greatly increased birth rates due to improved fertility through better nutrition.
b. Developed countries are predicted to see rapid population growth until about 2050 and then level off, and developing countries are predicted to grow slightly until 2300.
c. Population experts predict that human population growth will slow, but never reach a point of zero population growth.
d. The human population cannot continue to grow exponentially any more than the population of any other organism can grow exponentially. |
| Answer: d |
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Population ecology refers to _____.
a)the distribution of an organism in a geographic area
b)the number of individuals of a particular species found in a unit of habitat at a given time
c)the growth, decline, or the maintenance of steady populations
d)the study of a group of organisms, how many there are, and why numbers rise or fall
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| Answer: d |
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A study that revealed 14 white tailed deer per square kilometer focused on _____.
a)population density
b)population distribution
c)population ecology
d)population fluctuation
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| Answer: a |
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What would be the most likely reason for a higher concentration of red fox in one area than another?
a)better habitat
b)fewer predators
c)less disease
d)more mates
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| Answer: a |
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Which best describes the scattering of sugar maples throughout an eastern forest? a)clumped dispersion b)geographic range c)random dispersion d)uniform dispersion
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| Answer: c |
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The California sea otter is a keystone species found along the west coast. Its numbers plummeted due to hunting. If its population were to grow at a rate of 5 per year, how many years would it take for the population to double?
a)5
b)7
c)10
d)14
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| Answer: d |
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What is the main reason the any population will not continue to grow forever?
a)biotic potential
b)environmental resistance
c)exponential growth
d)logistical growth
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| Answer: b |
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The largest population that can be supported in a geographic area is called _____.
a)carrying capacity
b)optimal dispersion
c)regional limit
d)peak potential
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| Answer: a |
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What term is most closely associated with the death of geese by a hail storm?
a)density-dependent factor
b)density-independent factor
c)exponential decline
d)population crash
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| Answer: b |
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Human population growth is attributed to _____.
a)deaths exceeding births
b)increased death rates
c)longer life spans
d)lower birth rates
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| Answer: c |
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Who is the British economist who theorized that human population growth was not sustainable?
a)Edward Jones
b)John Muir
c)Steven Hawking
d)Thomas Malthus
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| Answer: d |
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