Question 1

Which statement about leks is false?

Accepted Answer

A)  Males do not eat, drink, or sleep until they are displaced. 
B)  Females mates with males on prime sites. 
C)  Males defend nesting sites. 
D)  Females gain because their offspring will receive good genes. 
E)  Males benefit from the chance to mate with many females and maximize fitness. 
A)  Males do not eat, drink, or sleep until they are displaced. 
B)  Females mates with males on prime sites. 
C)  Males defend nesting sites. 
D)  Females gain because their offspring will receive good genes. 
E)  Males benefit from the chance to mate with many females and maximize fitness.

Question 2

Refer to the graph showing the locomotor activity of Drosophila melanogaster flies that have been subjected to various gene-knockout experiments.   What can be inferred about the normal function of gene A in the graph?

Accepted Answer

A)  Gene A plays little role in locomotor activity. 
B)  Gene A interacts with gene B in controlling locomotor activity. 
C)  Gene A interacts with gene C in controlling locomotor activity. 
D)  Gene A is required for locomotor activity. 
E)  There is insufficient data to make an inference. 
A)  Gene A plays little role in locomotor activity. 
B)  Gene A interacts with gene B in controlling locomotor activity. 
C)  Gene A interacts with gene C in controlling locomotor activity. 
D)  Gene A is required for locomotor activity. 
E)  There is insufficient data to make an inference.

Question 3

Which statement about chemical signals is false?

Accepted Answer

A)  The nature and size of pheromone molecules determine volatility and diffusibility. 
B)  Chemical alarm signals are highly volatile and diffusible. 
C)  The information content of chemical signals can be rapidly updated. 
D)  Territory-marking pheromones have low volatilities and diffusibilities. 
E)  Chemical alarm signals disappear rapidly. 
A)  The nature and size of pheromone molecules determine volatility and diffusibility. 
B)  Chemical alarm signals are highly volatile and diffusible. 
C)  The information content of chemical signals can be rapidly updated. 
D)  Territory-marking pheromones have low volatilities and diffusibilities. 
E)  Chemical alarm signals disappear rapidly.

Question 4

Collared flycatchers will likely settle in a habitat in which

Accepted Answer

A)  brood sizes of conspecifics were large the previous year. 
B)  few adult conspecifics are present. 
C)  accurate assessment of nest site availability is difficult. 
D)  food abundance was variable the previous year. 
E)  access to mates appears unpredictable. 
A)  brood sizes of conspecifics were large the previous year. 
B)  few adult conspecifics are present. 
C)  accurate assessment of nest site availability is difficult. 
D)  food abundance was variable the previous year. 
E)  access to mates appears unpredictable.

Question 5

Which statement about homing is false?

Accepted Answer

A)  Pigeons can return to their home loft after experimental relocation to distant sites. 
B)  Pigeons can use the sun as a compass. 
C)  Pigeons can use cues from Earth's magnetic field to orient. 
D)  Homing refers to the ability to return to a specific location, such as a nest or burrow, without using landmarks. 
E)  Pigeons use multiple, redundant sources of information to find their way home. 
A)  Pigeons can return to their home loft after experimental relocation to distant sites. 
B)  Pigeons can use the sun as a compass. 
C)  Pigeons can use cues from Earth's magnetic field to orient. 
D)  Homing refers to the ability to return to a specific location, such as a nest or burrow, without using landmarks. 
E)  Pigeons use multiple, redundant sources of information to find their way home.

Question 6

Which statement about group living is false?

Accepted Answer

A)  African wild dogs experience increased foraging success as pack size increases. 
B)  Groups can be more conspicuous to predators compared to solitary individuals. 
C)  Solitary animals face a greater risk of disease transmission compared to group-living animals. 
D)  Individuals in flocks may detect predators more rapidly than solitary individuals can. 
E)  Costs associated with competition for mates and resources are higher in group-living animals than in solitary animals. 
A)  African wild dogs experience increased foraging success as pack size increases. 
B)  Groups can be more conspicuous to predators compared to solitary individuals. 
C)  Solitary animals face a greater risk of disease transmission compared to group-living animals. 
D)  Individuals in flocks may detect predators more rapidly than solitary individuals can. 
E)  Costs associated with competition for mates and resources are higher in group-living animals than in solitary animals.

Question 7

Destruction of the suprachiasmatic nuclei (SCN) of hamsters results in

Accepted Answer

A)  entrainment. 
B)  long daily cycles. 
C)  short daily cycles. 
D)  arrhythmia. 
E)  death. 
A)  entrainment. 
B)  long daily cycles. 
C)  short daily cycles. 
D)  arrhythmia. 
E)  death.

Question 8

In rats, a _______ will display male sexual behavior in adulthood.

Accepted Answer

A)  female injected with testosterone at birth 
B)  male castrated at birth 
C)  male castrated at birth and injected with testosterone in adulthood 
D)  female injected with testosterone at birth and in adulthood 
E)  female injected with testosterone in adulthood 
A)  female injected with testosterone at birth 
B)  male castrated at birth 
C)  male castrated at birth and injected with testosterone in adulthood 
D)  female injected with testosterone at birth and in adulthood 
E)  female injected with testosterone in adulthood

Question 9

In haplodiploid organisms, what percentage of alleles do females share with their female offspring?

Accepted Answer

A)  0 percent 
B)  25 percent 
C)  50 percent 
D)  75 percent 
E)  100 percent 
A)  0 percent 
B)  25 percent 
C)  50 percent 
D)  75 percent 
E)  100 percent

Question 10

Which activity would you least expect to have a circannual rhythm?

Accepted Answer

A)  Migration 
B)  Molting of feathers or hair 
C)  Reproduction 
D)  Hibernation 
E)  Sleep 
A)  Migration 
B)  Molting of feathers or hair 
C)  Reproduction 
D)  Hibernation 
E)  Sleep

Question 11

Identify the incorrect pairing of a well-known behavioral biologist with a discovery made by that biologist.

Accepted Answer

A)  Ivan Pavlov: a simple behavior can be modified through conditioning 
B)  Niko Tinbergen: strong bonds between parent and offspring can develop during a critical period following birth 
C)  B. F. Skinner: any random action can become a conditioned response to a stimulus if a reward is temporally associated with the action and the stimulus 
D)  Konrad Lorenz: stereotypic motor patterns of duck courtship displays are inherited 
E)  Karl von Frisch: the dance language of bees 
A)  Ivan Pavlov: a simple behavior can be modified through conditioning 
B)  Niko Tinbergen: strong bonds between parent and offspring can develop during a critical period following birth 
C)  B. F. Skinner: any random action can become a conditioned response to a stimulus if a reward is temporally associated with the action and the stimulus 
D)  Konrad Lorenz: stereotypic motor patterns of duck courtship displays are inherited 
E)  Karl von Frisch: the dance language of bees

Question 12

Pigeons have been shown to use the position of the sun as a compass.A pigeon is trained to feed from the south end of a circular cage and then is placed in a light-controlled room and is phase-advanced by 6 hours.If the bird is returned to the circular cage, where will it search for food at sunrise?

Accepted Answer

A)  North 
B)  East 
C)  South 
D)  West 
E)  Northwest 
A)  North 
B)  East 
C)  South 
D)  West 
E)  Northwest

Question 13

While hiking, you come upon a scene in which individual male birds seem to be defending small territories devoid of resources such as food and nest sites.Individual females walk through the territories, mate with males on the most central territories, and leave the area.What have you found?

Accepted Answer

A)  A lek 
B)  A territorial system based on defense of females 
C)  A situation in which males help females with parental care 
D)  A situation in which males, but not females, benefit 
E)  A situation with low costs to males 
A)  A lek 
B)  A territorial system based on defense of females 
C)  A situation in which males help females with parental care 
D)  A situation in which males, but not females, benefit 
E)  A situation with low costs to males

Question 14

Choose the incorrect match of animal and mating system.

Accepted Answer

A)  Golden lion tamarin: polyandry 
B)  Red-winged blackbird: monogamy 
C)  Prairie vole: monogamy 
D)  Elephant seal: polygyny 
E)  Montane vole: promiscuity 
A)  Golden lion tamarin: polyandry 
B)  Red-winged blackbird: monogamy 
C)  Prairie vole: monogamy 
D)  Elephant seal: polygyny 
E)  Montane vole: promiscuity

Question 15

Male Yarrow's spiny lizards do not defend territories in the summer because

Accepted Answer

A)  the costs exceed the reproductive benefits. 
B)  their circulating levels of testosterone are relatively high. 
C)  females have not yet arrived on territories. 
D)  critical resources are abundant in their territories. 
E)  all females are simultaneously receptive and therefore easy to defend. 
A)  the costs exceed the reproductive benefits. 
B)  their circulating levels of testosterone are relatively high. 
C)  females have not yet arrived on territories. 
D)  critical resources are abundant in their territories. 
E)  all females are simultaneously receptive and therefore easy to defend.

Question 16

Which statement about navigation by gray-headed albatrosses is false?

Accepted Answer

A)  Landmarks provide critical clues to albatrosses first returning to their natal island. 
B)  Gray-headed albatrosses can find their way back to their natal island after wandering for eight or nine years. 
C)  The behavior of gray-headed albatrosses suggests they are capable of bicoordinate navigation. 
D)  Gray-headed albatrosses probably determine map coordinates using their circadian clock and cues from the sun. 
E)  The behavior of gray-headed albatrosses suggests that they are capable of true navigation. 
A)  Landmarks provide critical clues to albatrosses first returning to their natal island. 
B)  Gray-headed albatrosses can find their way back to their natal island after wandering for eight or nine years. 
C)  The behavior of gray-headed albatrosses suggests they are capable of bicoordinate navigation. 
D)  Gray-headed albatrosses probably determine map coordinates using their circadian clock and cues from the sun. 
E)  The behavior of gray-headed albatrosses suggests that they are capable of true navigation.

Question 17

Which statement about the field of behaviorism is false?

Accepted Answer

A)  Scientists such as Pavlov and Skinner were researchers in this field. 
B)  It focused on questions concerning learning. 
C)  Experiments were conducted under laboratory conditions rather than field conditions. 
D)  Model species such as the albino rat were used in experiments. 
E)  In research, relationships among study species were considered. 
A)  Scientists such as Pavlov and Skinner were researchers in this field. 
B)  It focused on questions concerning learning. 
C)  Experiments were conducted under laboratory conditions rather than field conditions. 
D)  Model species such as the albino rat were used in experiments. 
E)  In research, relationships among study species were considered.

Question 18

Ethologists used _______ experiments, in which animals were reared without opportunities to learn species-specific behaviors, to demonstrate genetic determination of a behavior.

Accepted Answer

The answer of Ethologists used _______ experiments, in which animals...

Question 19

Which of the following was not characteristic of the field of study that became known as ethology?

Accepted Answer

A)  It used deprivation experiments. 
B)  It involved comparative studies of a wide range of species. 
C)  It focused initially on fixed action patterns. 
D)  It involved studies that were designed to investigate conditioned behavior. 
E)  It involved experiments that were conducted under field conditions. 
A)  It used deprivation experiments. 
B)  It involved comparative studies of a wide range of species. 
C)  It focused initially on fixed action patterns. 
D)  It involved studies that were designed to investigate conditioned behavior. 
E)  It involved experiments that were conducted under field conditions.

Question 20

Which of the following would result in an effective alarm signal that also would be the most difficult for predators to localize?

Accepted Answer

A)  An acoustic signal with a broad range of frequencies 
B)  A pheromone with low volatility 
C)  An acoustic signal with a single frequency and few starts and stops 
D)  An acoustic signal with a complex temporal structure 
E)  A visual signal 
A)  An acoustic signal with a broad range of frequencies 
B)  A pheromone with low volatility 
C)  An acoustic signal with a single frequency and few starts and stops 
D)  An acoustic signal with a complex temporal structure 
E)  A visual signal

Exam 52: Animal Behavior

Which statement about leks is false?

Refer to the graph showing the locomotor activity of Drosophila melanogaster flies that have been subjected to various gene-knockout experiments. What can be inferred about the normal function of gene A in the graph?

Which statement about chemical signals is false?

Collared flycatchers will likely settle in a habitat in which

Which statement about homing is false?

Which statement about group living is false?

Destruction of the suprachiasmatic nuclei (SCN) of hamsters results in

In rats, a _______ will display male sexual behavior in adulthood.

In haplodiploid organisms, what percentage of alleles do females share with their female offspring?

Which activity would you least expect to have a circannual rhythm?

Identify the incorrect pairing of a well-known behavioral biologist with a discovery made by that biologist.

While hiking, you come upon a scene in which individual male birds seem to be defending small territories devoid of resources such as food and nest sites.Individual females walk through the territories, mate with males on the most central territories, and leave the area.What have you found?

Choose the incorrect match of animal and mating system.

Male Yarrow's spiny lizards do not defend territories in the summer because

Which statement about navigation by gray-headed albatrosses is false?

Which statement about the field of behaviorism is false?

Ethologists used _______ experiments, in which animals were reared without opportunities to learn species-specific behaviors, to demonstrate genetic determination of a behavior.

Which of the following was not characteristic of the field of study that became known as ethology?

Which of the following would result in an effective alarm signal that also would be the most difficult for predators to localize?

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Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

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Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

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Plants Without Seeds: From Water to Land

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Animal Origins and the Evolution of Body Plans

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