In red grouse populations on the grasslands, many males do not acquire territories. Which of the following is least likely to be a valid hypothesis about these male grouse?

#Question id: 12121

#Section 4: Behavioural Ecology

#Question id: 12124

#Section 4: Behavioural Ecology

#Question id: 12126

#Section 4: Behavioural Ecology

#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

#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?

#Question id: 11403

#Section 5: Applied Ecology & Evolution

Several categories of risk of species extinction have been defined. A species can be determined as critical endangered if there is considered to be