#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
#Question id: 3502
#Unit 11. Evolution and Behavior
Sexual dimorphism (SD) is a pattern that is seen throughout the animal kingdom and differences between the sexes in coloration are common in many organisms. Following some statement are given
A) There are many mechanisms that drive the evolution of SD, the most accepted mechanism being sexual selection
B) Mate choice is an important proximate mechanism of sexual selection, often the sex with the higher reproductive investment is the ‘choosy’ sex
C) Larger species are more sexually dimorphic than smaller species
D) Terrestrial species tend to be more sexually dimorphic than arboreal species
Which of the following above statement is correct?
Which one of the following is correct?
#Question id: 3503
#Unit 11. Evolution and Behavior
Following figure shown mate choice, following some statement is given
A) Male mate choice
B) More variance of matting success in female
C) Polygyny
D) More variance of matting success in male
E) Female mate choice
F) Polyandry
#Question id: 3504
#Unit 11. Evolution and Behavior
Bird has a choice of four food resource with following character . assume all resource are equally abundant Following sequence of preference for resource ?
#Question id: 3505
#Unit 11. Evolution and Behavior
Patterns of relatedness are different in hymenopterans, which are haplodiploid. Which of the following value of relatedness R1, R2, R3 and R4 respectively in figure?
#Question id: 3506
#Unit 11. Evolution and Behavior
An altruist provides help worth 9 units of fitness to a recipient, at a personal cost of 2 unit of fitness. As per kin-selection theory, the minimum value of genetic relatedness between the actors and the recipients that is necessary to maintain altruism in the population is