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FIRST PUBLISH OCTOBER 2024
BIOL 301 Exam 3 Practice Questions and
Answers
A type _____ functional response occurs when a predator's rate of prey consumption increases linearly
with increasing prey and then satiates
a. I
b. II
c. III
d. IV - Ans:✔✔-b. II
Huffaker's laboratory experiment of predator and prey species of mites demonstrated that predator and
prey cycles
a. stabilize with increased food sources.
b. stabilize when males are added.
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c. stabilize when prey have refuges.
d. are always unstable. - Ans:✔✔-c. stabilize when prey have refuges
In Lotka-Volterra models of predator-prey interactions, c represents
a. the probability of an encounter leading to prey's capture.
b. the efficiency of converting consumed prey into predator offspring.
c. The per capita mortality rate of predators.
d. the intrinsic growth rate. - Ans:✔✔-a. the probability of an encounter leading to prey's capture
In Lotka-Volterra models, a population is stable when its rate of change is
a. greater than zero.
b. less than zero.
c. equal to zero.
d. None of the above. - Ans:✔✔-c. equal to zero
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Simultaneous examination of predator and prey population trends is called a
a. dual population trajectory.
b. joint population trajectory.
c. dual population isocline.
d. joint population isocline. - Ans:✔✔-b. joint population trajectory
The Indian gray mongoose (Herpestes edwardsii) is a small mammal that is known for its ability to kill
venomous king cobras (Ophiophagus hannah). Mongooses have evolved acetylcholine receptors that
make them resistant or immune to the cobra's venom. What is likely responsible for this?
a. coevolution
b. natural selection
c. structural defenses
d. chemical defenses - Ans:✔✔-a. coevolution
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The resemblance of poison dart frog species of the genus Ranitomeya to one another in Peru is an
example of
a. Batesian mimicry.
b. Mullerian mimicry.
c. crypsis.
d. a chemical defense. - Ans:✔✔-b. Mullerian mimicry
The viceroy (Limenitis archippus) is a palatable North American butterfly that has coloration similar to
that of another species of unpalatable butterfly, the monarch (Danaus plexippus). This is an example of
a. crypsis.
b. Mullerian mimicry.
c. Batesian mimicry.
d. camouflage. - Ans:✔✔-c. Batesian mimicry
What is the driving force in the 10-year cycle of lynx and hare abundance?
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FIRST PUBLISH OCTOBER 2024
BIOL 301 Exam 3 Practice Questions and
Answers
A type _____ functional response occurs when a predator's rate of prey consumption increases linearly
with increasing prey and then satiates
a. I
b. II
c. III
d. IV - Ans:✔✔-b. II
Huffaker's laboratory experiment of predator and prey species of mites demonstrated that predator and
prey cycles
a. stabilize with increased food sources.
b. stabilize when males are added.
Page 1/99
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
c. stabilize when prey have refuges.
d. are always unstable. - Ans:✔✔-c. stabilize when prey have refuges
In Lotka-Volterra models of predator-prey interactions, c represents
a. the probability of an encounter leading to prey's capture.
b. the efficiency of converting consumed prey into predator offspring.
c. The per capita mortality rate of predators.
d. the intrinsic growth rate. - Ans:✔✔-a. the probability of an encounter leading to prey's capture
In Lotka-Volterra models, a population is stable when its rate of change is
a. greater than zero.
b. less than zero.
c. equal to zero.
d. None of the above. - Ans:✔✔-c. equal to zero
Page 2/99
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
Simultaneous examination of predator and prey population trends is called a
a. dual population trajectory.
b. joint population trajectory.
c. dual population isocline.
d. joint population isocline. - Ans:✔✔-b. joint population trajectory
The Indian gray mongoose (Herpestes edwardsii) is a small mammal that is known for its ability to kill
venomous king cobras (Ophiophagus hannah). Mongooses have evolved acetylcholine receptors that
make them resistant or immune to the cobra's venom. What is likely responsible for this?
a. coevolution
b. natural selection
c. structural defenses
d. chemical defenses - Ans:✔✔-a. coevolution
Page 3/99
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
The resemblance of poison dart frog species of the genus Ranitomeya to one another in Peru is an
example of
a. Batesian mimicry.
b. Mullerian mimicry.
c. crypsis.
d. a chemical defense. - Ans:✔✔-b. Mullerian mimicry
The viceroy (Limenitis archippus) is a palatable North American butterfly that has coloration similar to
that of another species of unpalatable butterfly, the monarch (Danaus plexippus). This is an example of
a. crypsis.
b. Mullerian mimicry.
c. Batesian mimicry.
d. camouflage. - Ans:✔✔-c. Batesian mimicry
What is the driving force in the 10-year cycle of lynx and hare abundance?
Page 4/99
