Question

In which category males are more attractive than females
(a) Birds
(b) Humans
(c) Amphibians
(d) None of the above

Answer 1

Hint: In several organisms, males show their dominance over each other by different features in order to attract females and to set the best mating partner. It mostly occurs in the case of the members of aves.

Complete answer:
In birds, the males are more attractive than females. This color difference between males and females of the same species is known as sexual dichromatism and it was studied by Charles Darwin. For example, peacocks have much brighter plumage and tails than the peahens and are known for their beauty.
Male are more attractive than females in most species of birds because of two main reasons.
-The first reason being the males require these attractive and colorful plumages to attract female birds during mating season. The more attractive the plumage shows that the male bird is stronger than other birds and have more resources to take care of the future offspring. Hence the attractiveness of the plumage has become a criterion for mate evolution through evolution.
-The other reason is that maintaining such an attractive and colorful plumage requires lots of energy to be spent. Females require an immense amount of energy to incubate the egg and rear the young ones. Hence, they save energy by not investing in attractive plumage as males have.
-In the case of humans both men and women are attractive according to one another’s liking, there are no specific characters that are defined as attractive as it is according to one’s choice.
-In amphibians do not need to attract one another they simply with the help of their forelimbs pads grasp the female.

So, the correct answer is “Birds”.

Note:
The bright color of the plumage also has many other purposes. The plumage color patterns allow the birds from distinguishing the birds of their species from others. The plumage also allows the birds from camouflaging from their predators or their prey. The plumage also offers help when the birds need to distract the predators.