BIOL 301 Exam 3 Questions And Answers With Complete Study Solutions 2025/2025 Updates
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Course
BIOL 301
Institution
BIOL 301
BIOL 301 Exam 3 Questions And Answers With Complete Study Solutions 2025/2025 Updates
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 exper...
BIOL 301 Exam 3 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.
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
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
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?
a. competition
b. low resources
c. climate change
d. predation ANS d. predation
Which of the following is an example of a plant alkaloid?
a. tannin
b. lignin
c. caffeine
d. latex ANS c. caffeine
A parasite moving between individuals other than parents and their offspring uses _____
transmission.
a. horizontal
b. vertical
c. diagonal
d. vector ANS a. horizontal
Because of its relationship with its host, the ectoparasite has
, a. low exposure to the host's immune system.
b. low exposure to its natural enemies.
c. low exposure to the external environment.
d. difficulty moving between hosts. ANS a. low exposure to the host's immune system
How do reservoir populations allow parasites to persist in nature?
a. Reservoir species transmit the parasite more frequently than host species, so the parasite infects a
larger number of individuals.
b. Reservoir species are necessary for reproduction of the parasite.
c. Reservoir species do not die of the parasite and can be a continuous source of the parasite.
d. Without the reservoir species, the parasite could not disperse from one host to another. ANS c.
Reservoir species do not die of the parasite and can be continuous source of the parasite
In S-I-R models of infectious disease transmission, R represents _____ individuals.
a. resistant
b. recovered
c. relocated
d. resilient ANS a. resistant
In the disease malaria, the Anopheles mosquito is the
a. vector.
b. reservoir species.
c. host.
d. parasite. ANS a. vector
Infection tolerance is the ability of a host to
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