Question 1

Which of the following is a prediction of the social heterosis hypothesis?

Accepted Answer

A)  Individuals in a colony differ in their task efficiency. 
B)  Individuals in a colony frequently switch tasks 
C)  High fitness colonies consist of individuals that specialize on different tasks. 
D)  Each colony specializes on a different task to enhance colony fitness 
A)  Individuals in a colony differ in their task efficiency. 
B)  Individuals in a colony frequently switch tasks 
C)  High fitness colonies consist of individuals that specialize on different tasks. 
D)  Each colony specializes on a different task to enhance colony fitness C

Question 2

In the zebra finch study conducted by Goodson et al. (2009), mesotocin-infused females but not males preferred to associate with the larger group in the test chamber. What costs of associating with large groups might exist more for males than females that explain male behavior.

Accepted Answer

Males male experience higher level of aggression in larger flocks than females reducing a male's preference for associating with more individuals in larger groups.

Question 3

The studies of minnows and vulture both showed a benefit of group living in terms of reduced search time to find food. What cost of group living was also present in each study?

Accepted Answer

A)  Increased attraction to predators 
B)  Increased aggression 
C)  Increased disease transmission 
D)  Increased competition 
E)  Increased cannibalism 
A)  Increased attraction to predators 
B)  Increased aggression 
C)  Increased disease transmission 
D)  Increased competition 
E)  Increased cannibalism D

Question 4

Explain how habitat type was associated with degree of sociality in histricognath rodents and African antelopes.

Accepted Answer

In both taxa, species that live in open

Question 5

Benefits of sociality include all of the following EXCEPT

Accepted Answer

A)  Reduced disease transmission rates. 
B)  Reduced predation risk. 
C)  Enhanced resource defense. 
D)  Decreased costs of thermoregulation. 
E)  Reduced search time for food. 
A)  Reduced disease transmission rates. 
B)  Reduced predation risk. 
C)  Enhanced resource defense. 
D)  Decreased costs of thermoregulation. 
E)  Reduced search time for food.

Question 6

What evidence did Chapman and Chapman (2000) use to conclude that competition limits group size in the primates they studied?

Accepted Answer

A)  They found a positive correlation between group size and the density of food trees. 
B)  They observed a decline in group size with a natural decline in food availability. 
C)  They observed an increase in group size with the experimental addition of food. 
D)  They observed an increase in fitness of individuals with a decline in group size. 
E)  They observed an increase in group size with an experimental reduction in competitors. 
A)  They found a positive correlation between group size and the density of food trees. 
B)  They observed a decline in group size with a natural decline in food availability. 
C)  They observed an increase in group size with the experimental addition of food. 
D)  They observed an increase in fitness of individuals with a decline in group size. 
E)  They observed an increase in group size with an experimental reduction in competitors.

Question 7

What hypothesis explains higher disease transmission rates in female compared to male guppies?

Accepted Answer

A)  Females spend more time in habitats that harbor diseases. 
B)  Males have a superior immune system. 
C)  Females have lower levels of genetic variation. 
D)  Females are larger than males. 
E)  Females associate in tighter schools. 
A)  Females spend more time in habitats that harbor diseases. 
B)  Males have a superior immune system. 
C)  Females have lower levels of genetic variation. 
D)  Females are larger than males. 
E)  Females associate in tighter schools.

Question 8

Which of the following is NOT true about crayfish dominance hierarchies?

Accepted Answer

A)  Higher-ranking individuals have greater access to food. 
B)  Aggression levels are lower after the hierarchy is established. 
C)  Protandry determines ranking within the hierarchy. 
D)  Hierarchies form in the absence of food. 
E)  Aggression is high before hierarchy formation. 
A)  Higher-ranking individuals have greater access to food. 
B)  Aggression levels are lower after the hierarchy is established. 
C)  Protandry determines ranking within the hierarchy. 
D)  Hierarchies form in the absence of food. 
E)  Aggression is high before hierarchy formation.

Question 9

The comparative study in African antelope showed which of the following?

Accepted Answer

A)  Small-bodied species always hid from predators 
B)  Large-bodied species always lived in large groups 
C)  Body size and average group size were positively correlated 
D)  Large-bodied species tended to browse on woody vegetation and hide from predators 
A)  Small-bodied species always hid from predators 
B)  Large-bodied species always lived in large groups 
C)  Body size and average group size were positively correlated 
D)  Large-bodied species tended to browse on woody vegetation and hide from predators

Question 10

What change in behavior would you expect after experimentally administering a standard dose of oxytocin to female dogs?

Accepted Answer

A)  Increased affiliative behavior 
B)  Increased aggression 
C)  Increased sexual behavior 
D)  Increased dominance behavior 
E)  Increased foraging behavior 
A)  Increased affiliative behavior 
B)  Increased aggression 
C)  Increased sexual behavior 
D)  Increased dominance behavior 
E)  Increased foraging behavior

Question 11

The comparative study of rodents showed which of the following?

Accepted Answer

A)  The common ancestor lived in dense forest habitat 
B)  Habitat type was associated with sociality 
C)  Body size was associated with sociality 
D)  Species living underground were always social 
A)  The common ancestor lived in dense forest habitat 
B)  Habitat type was associated with sociality 
C)  Body size was associated with sociality 
D)  Species living underground were always social

Question 12

Which of the following can you conclude from Beauchamp's study of flock sizes on islands and mainlands?

Accepted Answer

A)  The costs of group living are higher on mainlands 
B)  The net benefit of group living is higher on mainlands 
C)  The benefits of group living increase with flock size 
D)  The benefits of group living are identical on islands and mainlands 
A)  The costs of group living are higher on mainlands 
B)  The net benefit of group living is higher on mainlands 
C)  The benefits of group living increase with flock size 
D)  The benefits of group living are identical on islands and mainlands

Which of the following is a prediction of the social heterosis hypothesis?

In the zebra finch study conducted by Goodson et al. (2009), mesotocin-infused females but not males preferred to associate with the larger group in the test chamber. What costs of associating with large groups might exist more for males than females that explain male behavior.

The studies of minnows and vulture both showed a benefit of group living in terms of reduced search time to find food. What cost of group living was also present in each study?

Explain how habitat type was associated with degree of sociality in histricognath rodents and African antelopes.

Benefits of sociality include all of the following EXCEPT

What evidence did Chapman and Chapman (2000) use to conclude that competition limits group size in the primates they studied?

What hypothesis explains higher disease transmission rates in female compared to male guppies?

Which of the following is NOT true about crayfish dominance hierarchies?

The comparative study in African antelope showed which of the following?

What change in behavior would you expect after experimentally administering a standard dose of oxytocin to female dogs?

The comparative study of rodents showed which of the following?

Which of the following can you conclude from Beauchamp's study of flock sizes on islands and mainlands?

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Exam 15: Sociality

Which of the following is a prediction of the social heterosis hypothesis?

In the zebra finch study conducted by Goodson et al. (2009), mesotocin-infused females but not males preferred to associate with the larger group in the test chamber. What costs of associating with large groups might exist more for males than females that explain male behavior.

The studies of minnows and vulture both showed a benefit of group living in terms of reduced search time to find food. What cost of group living was also present in each study?

Explain how habitat type was associated with degree of sociality in histricognath rodents and African antelopes.

Benefits of sociality include all of the following EXCEPT

What evidence did Chapman and Chapman (2000) use to conclude that competition limits group size in the primates they studied?

What hypothesis explains higher disease transmission rates in female compared to male guppies?

Which of the following is NOT true about crayfish dominance hierarchies?

The comparative study in African antelope showed which of the following?

What change in behavior would you expect after experimentally administering a standard dose of oxytocin to female dogs?

The comparative study of rodents showed which of the following?

Which of the following can you conclude from Beauchamp's study of flock sizes on islands and mainlands?

The Science of Animal Behavior

Methods for Studying Animal Behavior

Evolution and the Study of Animal Behavior

Behavioral Genetics

Sensory Systems and Behavior

Communication

Learning, Neuroethology, and Cognition

Foraging Behavior

Antipredator Behavior

Dispersal and Migration

Habitat Selection, Territoriality, and Aggression

Mating Behavior

Mating Systems

Parental Care

Cooperative Behavior

Filters