Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Which
of the following is most true about interspecific competition? a. | It involves
interaction between individuals of the same species. | b. | It is the
greatest between organisms that occupy different ecological niches. | c. | It is the
greatest between organisms that physically share similar ecological niches. | d. | It increases
with resource partitioning. | | |
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2.
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Which
of the following is true in relation to predation? a. | The predator is
negatively affected and the prey is positively affected. | b. | The predator
population always increases and the prey population always decreases in
size. | c. | The predator–prey population cycle exhibits a sinusoidal
pattern on a graph. | d. | The snowshoe hare and lynx cycling study demonstrated that
predator–prey cycling is not influenced by any other factors. | | |
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3.
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What
is the term for a plant or animal species introduced into a community where it may disrupt balance in
an ecosystem and threaten biodiversity? a. | parasite | b. | predator | c. | indigenous species | d. | nonindigenous
species | | |
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4.
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Which
of the following is a density-independent factor that limits population growth? a. | a tornado
destroying a stand of pine trees | b. | two species competing for the same food
source | c. | a disease passing through a population of pigs on a
farm | d. | snowy owls
preying on arctic hares | | |
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5.
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Birds
find shelter and build nests in trees without harming the trees. What is the term for the symbiotic
relationship between the birds and the trees? a. | mutualism | b. | parasitism | c. | commensalism | d. | predation | | |
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6.
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A
beetle called the locust borer has black and yellow stripes on its body and buzzes like a bee when
picked up. The defensive strategy used by the locust borer may be called a. | camouflage | b. | chemical defence | c. | mimicry | d. | protective coloration | | |
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7.
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Which
of the following interactions is a win–win relationship? a. | symbiosis | b. | parasitism | c. | commensalism | d. | mutualism | | |
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8.
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Complete the following analogy: Habitat is to address as niche is to
_______________. a. | biome | b. | occupation | c. | house | d. | food source | | |
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