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Organisms and Populations — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations2 Marks
Question
What does S-shaped pattern of population growth represent? How is J-shaped pattern different from it and why?
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Answer

S-shaped growth curve: There is initial gradual increase in population size followed by an exponential increase and then a gradual decline to a near-constant level.

J-shaped growth curve: The population grows exponentially, and after attaining the peak value the population abruptly crash, Due to environmental resistance/environment is ever changing/food and space are limited/end of season.

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