Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 - How Populations Change in Size
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1.
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Which of the following is one of the main properties used to describe a
population?
a. | number of individuals | b. | color of individuals | c. | number of
species | d. | kind of adaptations |
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2.
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For a population’s growth rate to be zero
a. | more deaths than births must occur. | b. | more births than deaths must
occur. | c. | no births can occur. | d. | the average number of births and deaths must be
the same. |
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3.
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Exponential growth occurs when a population
a. | exceeds the habitat’s carrying capacity. | b. | is competing with
another species. | c. | grows increasingly faster. | d. | breeds with another
species. |
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4.
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Which of the following limits a population’s biotic potential?
a. | a minimum number of offspring each pair can produce | b. | a maximum number of
offspring each individual can produce | c. | the number of interactions each individual
has | d. | the size of offspring each individual can produce |
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5.
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Which of the following limits a population’s growth?
a. | carrying capacity of its habitat | b. | natural disasters | c. | severe
weather | d. | all of the above |
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Section 2 - How Species Interact with Each Other
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6.
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Which of the following statements is correct?
a. | An organism’s niche is only the part of its habitat that it
eats. | b. | An organism’s habitat is a location. | c. | Habitat and niche
are the same thing. | d. | An organism’s niche is outside its
habitat. |
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7.
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Which of the following is part of an American bison’s niche?
a. | grasslands | b. | gray wolf | c. | water | d. | all of the
above |
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8.
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When two species in an area eat the same type of food but eat at different times
of the day, their niches
a. | are the same. | b. | are examples of
commensalism. | c. | overlap. | d. | eliminate
competition. |
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9.
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If exponential growth occurs in the population of a species of predator, the
population of its prey will most likely
a. | decrease quickly. | b. | increase slowly. | c. | stay the
same. | d. | experience exponential growth. |
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10.
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If two species coevolve, they may develop adaptations that
a. | reduce the harm of the relationship. | b. | increase the benefit of the
relationship. | c. | prevent any relationships. | d. | Both (a) and
(b) |
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Matching
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Section 1 - How Populations Change in Size
Choose the
letter of the term or phrase that best matches the description.
a. | density dependent | d. | territory | b. | dispersion | e. | limiting resource | c. | density |
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11.
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number of individuals per unit area
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12.
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example of indirect competition for resources
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13.
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relative distribution of individuals
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14.
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water, sunlight, or nutrients for plants
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15.
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deaths caused by disease
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Section 2 - How Species Interact with Each
Other
Choose the letter of the term or phrase that best matches the
description.
a. | competition | d. | mutualism | b. | predation | e. | commensalism | c. | parasitism |
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16.
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Species A benefits and species B is killed.
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17.
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Species A and B negatively affect each other.
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18.
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Species A and B both benefit.
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19.
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Species A benefits and species B is unaffected.
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20.
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Species A benefits and species B is harmed but not killed.
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