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## Compare, giving reasons, the J-shaped and S-shaped models of population growth of a species. cbse-Biology-class-12

##### Compare, giving reasons, the J-shaped and S-shaped models of population growth of a species.

Asked On2017-07-19 15:47:00 by:tarun101

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J-shaped model is the exponential growth curve and S-shaped model is the logistics growth curve.

Exponential growth model This growth is shown when the quantity of resources is unlimited. The equation can be represented as dN/dt = rN or Nt= N0 ert

Logistics growth model
This growth is shown when the quantity of resources is limited. Unlimited resources result in exponential growth which depends on the carrying capacity of the species. The carrying capacity of a given habitat is the total number of organisms in a given species for which there are sufficient resources, so that they survive and reproduce.

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