Female spotted sandpipers aggressively court males and, after mating, leave the clutch of young for the male to incubate. This sequence may be repeated several times with different males until no available males remain, forcing the female to incubate her last clutch. Which of the following terms best describes this behavior?

TLS Online TPP Program

#Question id: 11180

#Section 4: Behavioural Ecology

In contrast to herbivores,

TLS Online TPP Program

#Question id: 10641

#Section 2: Evolution

The size of the population (N) is estimated as follows, what is parameter of M, S and R respectively? 

TLS Online TPP Program

#Question id: 3489

#Section 4: Behavioural Ecology

 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?

TLS Online TPP Program

#Question id: 3488

#Section 2: Evolution

According to Hamiltonʹs rule,

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#Question id: 4595

#Section 2: Evolution

Currently, two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?