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: 10599

#Section 1: Ecology

In a type I survivorship curve characterized by:

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#Question id: 12361

#Section 1: Ecology

In the lincoln index of relative population size, N = NM/r. What does m represent?

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#Question id: 10860

#Section 2: Evolution

Plants use nectar to

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#Question id: 10663

#Section 2: Evolution

Following is a hypothetical life table of species

Following some statement is given

A- This type of life table is characteristic of species that produce a large number of offspring

B- Its greatest mortality early in life, with relatively low rates of death for those surviving this bottleneck

C. It is characterized by high age-specific survival probability in early and middle life, followed by a rapid decline in survival in later life

D. This includes k selected species

Which of the following above statement is correct?

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#Question id: 11246

#Section 2: Evolution

Which of the following are mechanisms that help prey avoid being eaten by predators?