In a bird species A, the male alone builds the nest, incubates the eggs and feeds the nestling. In bird species B, it is the female that does all that. In bird species C, both sexes contribute equally to the above activities. In species A and B, the uninvolved partner may fly away and mate again. Which sex among A, B and C is most likely to develop colorful plumage during breeding season?

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#Question id: 12119

#Section 4: Behavioural Ecology

How  does inefficient transfer of energy among trophic  levels result in  the typically  high  endangerment status of many top predators?

TLS Online TPP Program

#Question id: 12121

#Section 4: Behavioural Ecology

Zoonotic disease

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#Question id: 12124

#Section 4: Behavioural Ecology

Which of the following describes the relationship between ants and acacia trees?

TLS Online TPP Program

#Question id: 12126

#Section 4: Behavioural Ecology

Which of the following describes a successional event in which one organism makes the environment more suitable for another organism?

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#Question id: 3496

#Section 4: Behavioural Ecology

Which of following favor adaptations for polygynous mating in species?

a. Male competition

b. Female competition

c. Male choice

d. Female choice

TLS Online TPP Program

#Question id: 3502

#Section 4: Behavioural Ecology

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?