Per capita birth rate of this population is b and per capita death rate of population is d, N is a population size. What is yield of population per unit time as?

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#Question id: 12261

#Section 2: Evolution

When a person removed the predator Pisaster from rocky intertidal areas, the diversity of prey animals changed from 15 to __________. 

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#Question id: 10673

#Section 2: Evolution

Which of following attributes of parasite agent acts as a biological control is not necessary?

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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: 3488

#Section 2: Evolution

According to Hamiltonʹs rule,

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#Question id: 16805

#Section 4: Behavioural Ecology

By what mechanism does the body compensate for low oxygen availability in altitude sickness?