Question 1

Red deer males compete to control access to an entire herd of does, meaning that a single male will mate with multiple females, while other males have zero fitness. This species exhibits

Accepted Answer

A)  polygynandry/promiscuity. 
B)  polyandry. 
C)  monogamy. 
D)  polygyny.

Question 2

Genetic monogamy is

Accepted Answer

A)  extremely rare. 
B)  the rule (with a few exceptions) among mammals, but not among birds. 
C)  the rule (with a few exceptions) among birds, but not among mammals. 
D)  never found in reptiles.

Question 3

Kirk's dik-dik is a small African antelope that usually forms male-female pairs. It is possible that monogamy evolved in this species because males are required to protect offspring from other rival males. This would be an example of the

Accepted Answer

A)  mate limitation hypothesis. 
B)  mate guarding hypothesis. 
C)  mate assistance hypothesis. 
D)  infanticide hypothesis.

Question 4

Refer to the figure.
 These results illustrate that in this species,

Accepted Answer

A)  the absence of a male partner does not significantly impact the number of offspring born, but causes a decline in the number of offspring to emerge from the nest. 
B)  the absence of a male partner causes a significant decline in the number of offspring born and that emerge from the nest. 
C)  the absence of a male partner significantly impacts the number of offspring born, but not the number that emerge from the nest. 
D)  the absence of a male partner does not significantly impact survival of offspring.

Question 5

Male thirteen-lined ground squirrels search extensively for females, who are widely distributed and receptive for only a short period during the breeding season. This species exhibits

Accepted Answer

A)  female defense polygyny. 
B)  resource defense polygyny. 
C)  lek polygyny. 
D)  scramble competition polygyny.

Question 6

Refer to the figure.
 Based on these results, this species most likely exhibits

Accepted Answer

A)  polygynandry/promiscuity. 
B)  polyandry. 
C)  monogamy. 
D)  polygyny.

Exam 10: Mating Systems

Red deer males compete to control access to an entire herd of does, meaning that a single male will mate with multiple females, while other males have zero fitness. This species exhibits

Genetic monogamy is

Kirk's dik-dik is a small African antelope that usually forms male-female pairs. It is possible that monogamy evolved in this species because males are required to protect offspring from other rival males. This would be an example of the

Refer to the figure. These results illustrate that in this species,

Male thirteen-lined ground squirrels search extensively for females, who are widely distributed and receptive for only a short period during the breeding season. This species exhibits

Refer to the figure. Based on these results, this species most likely exhibits