Question 1

Which statement about individual variation in the singing behavior of birds is false?

Accepted Answer

A)  Some species have regional song dialects. 
B)  Males of the same species on neighboring territories may have slightly different songs. 
C)  Individual variation in song may be key to attracting mates. 
D)  Female zebra finches prefer the undirected song of their mates over the directed song. 
E)  Individual variation in song may help maintain bonds between mates. 
A)  Some species have regional song dialects. 
B)  Males of the same species on neighboring territories may have slightly different songs. 
C)  Individual variation in song may be key to attracting mates. 
D)  Female zebra finches prefer the undirected song of their mates over the directed song. 
E)  Individual variation in song may help maintain bonds between mates.

Question 2

A bee is performing a waggle dance straight down on the honeycomb, with waggle runs of very long duration.What is she communicating to her hivemates?

Accepted Answer

A)  Food is close to the hive. 
B)  Food is at a location that is very distant from the hive and is in the direction opposite the sun. 
C)  Food is close to the hive and is in the direction opposite the sun. 
D)  Food is at a moderate distance from the hive and is in the direction of the sun. 
E)  Food is at a moderate distance from the hive and is in the direction opposite the sun. 
A)  Food is close to the hive. 
B)  Food is at a location that is very distant from the hive and is in the direction opposite the sun. 
C)  Food is close to the hive and is in the direction opposite the sun. 
D)  Food is at a moderate distance from the hive and is in the direction of the sun. 
E)  Food is at a moderate distance from the hive and is in the direction opposite the sun.

Question 3

Consider a situation in which an offspring helps its parents (degree of relatedness = 0.50), who gain a fitness benefit of 10.According to Hamilton's rule, it would be adaptive for the offspring to help its parents when the fitness cost to the offspring performing the help is

Accepted Answer

A)  less than 8. 
B)  less than 5. 
C)  equal to 7. 
D)  greater than 5. 
E)  greater than 10. 
A)  less than 8. 
B)  less than 5. 
C)  equal to 7. 
D)  greater than 5. 
E)  greater than 10.

Question 4

In a situation where one relative helps another, the fitness benefit to the recipient of the altruistic act is 10 and the fitness cost to the performer is 2.According to Hamilton's rule, it would be least adaptive to help which relative?

Accepted Answer

A)  Full sibling 
B)  Identical twin 
C)  First cousin 
D)  Parent 
E)  Grandparent 
A)  Full sibling 
B)  Identical twin 
C)  First cousin 
D)  Parent 
E)  Grandparent

Question 5

Which statement about polygynous mating systems is false?

Accepted Answer

A)  Males have more than one mate. 
B)  There is sexual dimorphism in body size. 
C)  A female benefits because her male offspring will likely have their father's traits. 
D)  There is small differential (variance) in male fitness. 
E)  Males may defend small territories on leks, females, or resources. 
A)  Males have more than one mate. 
B)  There is sexual dimorphism in body size. 
C)  A female benefits because her male offspring will likely have their father's traits. 
D)  There is small differential (variance) in male fitness. 
E)  Males may defend small territories on leks, females, or resources.

Question 6

Which statement is true?

Accepted Answer

A)  Nonhuman animal communication differs from human communication because unlike humans, nonhuman animals do not practice deception. 
B)  Clarity of communication decreases as the number of sensory modalities increases. 
C)  Auditory signals are more efficient than visual signals in a structurally complex environment. 
D)  Pheromonal signals are very limited in terms of how much information they can provide about the signaler. 
E)  Most predators have difficulty intercepting visual signals. 
A)  Nonhuman animal communication differs from human communication because unlike humans, nonhuman animals do not practice deception. 
B)  Clarity of communication decreases as the number of sensory modalities increases. 
C)  Auditory signals are more efficient than visual signals in a structurally complex environment. 
D)  Pheromonal signals are very limited in terms of how much information they can provide about the signaler. 
E)  Most predators have difficulty intercepting visual signals.

Question 7

A diurnal mammal living in the desert is patrolling the boundaries of its territory.What type of long-lasting signal would it most likely use to make clear to potential intruders the boundaries of its territory?

Accepted Answer

A)  An acoustic signal with a single frequency 
B)  A chemical signal with low volatility 
C)  A visual signal with different postures 
D)  An acoustic signal with little temporal structure 
E)  A mechanosensory signal 
A)  An acoustic signal with a single frequency 
B)  A chemical signal with low volatility 
C)  A visual signal with different postures 
D)  An acoustic signal with little temporal structure 
E)  A mechanosensory signal

Question 8

Which experimental manipulation could be used to determine whether an animal uses piloting?

Accepted Answer

A)  Displacing the animal to see if it compensates for the displacement 
B)  Rearranging potential landmarks around its home 
C)  Looking for migratory restlessness in captive animals 
D)  Clock-shifting the animals 
E)  Displacing and clock-shifting the animals 
A)  Displacing the animal to see if it compensates for the displacement 
B)  Rearranging potential landmarks around its home 
C)  Looking for migratory restlessness in captive animals 
D)  Clock-shifting the animals 
E)  Displacing and clock-shifting the animals

Question 9

Most female songbirds do not sing the songs of the males of their species because

Accepted Answer

A)  they lack the necessary vocal structures. 
B)  they lack the appropriate hormonal stimulation. 
C)  their brains do not respond to the hormones needed for song learning. 
D)  they lack the necessary neural structures. 
E)  they are not exposed to song as nestlings. 
A)  they lack the necessary vocal structures. 
B)  they lack the appropriate hormonal stimulation. 
C)  their brains do not respond to the hormones needed for song learning. 
D)  they lack the necessary neural structures. 
E)  they are not exposed to song as nestlings.

Exam 52: Animal Behavior

Which statement about individual variation in the singing behavior of birds is false?

A bee is performing a waggle dance straight down on the honeycomb, with waggle runs of very long duration.What is she communicating to her hivemates?

Consider a situation in which an offspring helps its parents (degree of relatedness = 0.50), who gain a fitness benefit of 10.According to Hamilton's rule, it would be adaptive for the offspring to help its parents when the fitness cost to the offspring performing the help is

In a situation where one relative helps another, the fitness benefit to the recipient of the altruistic act is 10 and the fitness cost to the performer is 2.According to Hamilton's rule, it would be least adaptive to help which relative?

Which statement about polygynous mating systems is false?

Which statement is true?

A diurnal mammal living in the desert is patrolling the boundaries of its territory.What type of long-lasting signal would it most likely use to make clear to potential intruders the boundaries of its territory?

Which experimental manipulation could be used to determine whether an animal uses piloting?

Most female songbirds do not sing the songs of the males of their species because

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