Natural Selection can maintain a polymorphism when

a. heterozygote is fitter than the homozygote

b. Fitnesses of genotypes are negatively frequency dependent.

c. Fitnesses of genotypes are positive frequency dependent.

d. One homozygote is fitter than the heterozygote

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#Question id: 10718

#Section 1: Ecology

A researcher collects data on plant species composition in two habitats (P and Q) by using 10 quadrats each in both habitats. She calculates the average a-diversity and the 13-diversity of each habitat from this data (shown below). Which of the following can be inferred about these habitats? 

A) Q has greater total diversity (γ) and more heterogeneous than P

B) Q has lower total diversity (γ) and less heterogeneous than P

C) P has lower total diversity (γ) and more heterogeneous than Q

D) P has greater total diversity (γ) and more heterogeneous than Q

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#Question id: 12448

#Section 1: Ecology

When members of a population move out of a given area, it is called

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#Question id: 5158

#General Aptitude

Find the unit digit in 1! + 2! + 3! + 4! +.................... + 50!

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#Question id: 10751

#Section 2: Evolution

Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?

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#Question id: 10674

#Section 1: Ecology

In Lotka-Volterra competition models, if K2/β > K1 and K1/α > K2, then: