Biodiversity hot spots, those areas with the greatest number of endemic species. Which of the following criteria to qualify as a hot spot region?

A. It must contain at least 1,500 species of vascular plants as endemics

B. It must have lost at least 70% of its original habitat

C. It must contain at least 500 species of bird species

D- It must contain high numbers of species

#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

#Question id: 11404

#Section 5: Applied Ecology & Evolution

You were discovered 4 species in forest, their characteristic as following,

A specie eat only bamboo;

B species eat fruits of many tree species;

C species Short life span;

D species low population variability .

Which of the following species characteristics have been proposed as more prone to extinct?