If the per capita birth rate (b) and per capita death rate (d) in one year is 0.80 and 0.20 respectively. if the initial population size is 600, what will be net change (dN) in population size in one year

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#Question id: 11178

#Section 1: Ecology

At low population densities

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#Question id: 10690

#Section 1: Ecology

Which of following interaction shown in following species of Paramecium?

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#Question id: 11058

#Section 2: Evolution

The pufferfish, a common marine fish, has extensive spines that extend outward when it swallows water, becoming several times its normal size. This is an example of what kind of defense against predation?

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#Question id: 15723

#Section 2: Evolution

Neutral theory of molecular evolution of is given by,

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#Question id: 10602

#Section 2: Evolution

What are size of female population of butterfly (Breed once and one year life span ) after two year ?

Nt = 20 (initial population ) Nt+2 =?

Ro=1.5 number of female produced per female per generation