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Evaluation · Q27

Q.Differentiate J and S shaped curve.

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Concept understanding — Population Growth Models

Populations follow one of two characteristic growth patterns over time. The J-shaped growth form is rapid, near-exponential increase driven by the organism's full biotic potential, halted abruptly by environmental resistance or a sudden limiting factor — many insect populations show this, exploding during the rainy season and collapsing at its end. The S-shaped (sigmoid) growth form is slower initial growth, followed by acceleration, followed by gradual deceleration as environmental resistance builds, settling into equilibrium near the environment's carrying capacity — typical of small-mammal populations. Both forms share the same starting biotic …

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