Rojalin Patra
Query: 22 / Answer: 25

08th Sep 2019 .

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


Answers

Amaresh Satapathy
Query: 22 / Answer: 28

08th Sep 2019 .

 

Exponential or J-shaped growth

Logistic or S-shaped growth

(i)

It occurs  when the resources are abundant.

It occurs when the resources are limited.

(ii)

Population passes well beyond the carrying capacity of the ecosystem.

Population seldom grows beyond the carrying capacity of ecosystem.

(iii)

A stationary or steady phase is seldom achieved.

A stationary or steady phase is reached.

 


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