#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?
#Question id: 11405
#Section 5: Applied Ecology & Evolution
Vulnerability to extinction can be linked to species
following characteristics. Which of the following statement are correct?
A. Endemism species are more prone to extinction than fragmented
B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction
C. Population variability species are less prone to extinct
D. Species with naturally long life spans may be more likely to become extinct
#Question id: 11406
#Section 5: Applied Ecology & Evolution
Which of the following is true for a critically endangered species?