Modified True/False
Indicate
whether the sentence or statement is true or false. If false,
change the identified word or phrase to make the sentence or statement
true.
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1. |
Predators that pursue their prey often use camouflage as
part of their strategy. ____________________
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2. |
Predation is an example of intraspecific competition. ____________________
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3. |
Camouflage is a survival strategy used by both predators
and prey. ____________________
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4. |
Parasitism is a form of commensalism in which the host is
not usually harmed. ____________________
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5. |
Many
parasites are host-specific, which means that they can live on or
in a variety of hosts. ____________________
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6. |
Resource partitioning is a way for two different species to share
the same habitat. ____________________
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7. |
Species that use resource partitioning share the same niche
in the ecosystem. ____________________
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8. |
The
most common form of symbiotic relationship is mutualism. ____________________
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9. |
Since
they produce their own food, some producers can survive independently
of other species. ____________________
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Multiple Choice
Identify
the letter of the choice that best completes the statement or answers
the question.
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10. |
Which
of the following is most true about intraspecific competition?
a. |
It
involves interaction between individuals of different species. |
b. |
It
is strongest between organisms that occupy different ecological
niches. |
c. |
It
can be demonstrated easily that it occurs in natural environments. |
d. |
It
increases with resource partitioning. |
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11. |
Which
of the following is true in relation to predation?
a. |
The
predator is negatively affected and the prey is positively affected. |
b. |
Predator
and prey populations are equal. |
c. |
The predator–prey population cycles
show a wavy pattern on a graph. |
d. |
Prey can never be protected against their
predators. |
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12. |
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 |
c. |
mimicry |
b. |
chemical defence |
d. |
protective coloration |
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13. |
When
European starlings were introduced in an area, the population of robins
disappeared. This demonstrates which of the following?
a. |
resource partitioning |
c. |
competitive exclusion |
b. |
exploitative
competition |
d. |
intraspecific
competition |
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14. |
Which
of the following interactions is a
win–win relationship?
a. |
symbiosis |
c. |
commensalism |
b. |
parasitism |
d. |
mutualism |
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15. |
Which
of the following is not an ectoparasite?
a. |
louse |
c. |
mosquito |
b. |
tick |
d. |
tapeworm |
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