#Question id: 3496
#Unit 11. Evolution and Behavior
Which of following favor adaptations for polygynous mating in species?
a. Male competition
b. Female competition
c. Male choice
d. Female choice
#Question id: 3497
#Unit 11. Evolution and Behavior
Which of the following is correct statement?
a. Sexual selection should operate more powerfully in polygamous than in monogamous species
b. Polygynous species should have stronger sexual dimorphism than in monogamous species
c. Male competition or male choice favors adaptations to polygynous mating in species
#Question id: 3498
#Unit 11. Evolution and Behavior
Assuming 5 offspring of each female, A Female lion with a well-nourished cub gains inclusive fitness by nursing a starving cub of a full sister by 5% loss to herself. What would be value of be benefit in percent (all offspring of recipient female die in case of no nursing)
#Question id: 3499
#Unit 11. Evolution and Behavior
In some jacana species, males take care of the eggs and young, and females compete among themselves for territories that contain one to several males. Female jacanas are significantly larger than males. Which of these statements would you predict to be true of this bird species?
a. Male jacana fitness is primarily limited by ability to take care of eggs and raise young.
b. Female jacana fitness is limited by the number of males in her territory with which a female mates.
c. Variation in reproductive success should be greater in male jacanas than in females.
d. Variation in reproductive success should be greater in female jacanas than in males.
e. Males and females have equal variation in reproductive success.
#Question id: 3500
#Unit 11. Evolution and Behavior
To call a behavior altruistic, an evolutionary biologist will have to demonstrate that
A) These behavior is decrease the individual fitness of the donor and increases the individual fitness of the recipient
B) These behavior is increases the individual fitness of both the donor and the recipient
C) Overall increase the inclusive fitness of the population
D) These behavior depend on genetic relation
Which of the following above statement is correct?
#Question id: 3501
#Unit 11. Evolution and Behavior
following graph related with mate choice during natural selection ? Which of the following correct?
a. male investment exceed that of female
b. female investment exceed that of male
c. Reproductive investment by the sexes is strongly influenced by differences in the degree of parental investment
d.leads to male mate choice
e. overall increase fitness
f.female mate choice