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Q.

Given below are two statements. One is labelled Assertion (A) and the other is labelled Reason (R).

Assertion (A) : A J-shaped population growth curve represents exponential growth.

Reason    (R)  : The fitness of a species in terms of its ‘r’ is significantly higher in the presence of a competing species.

In light of the above statements, choose the correct answer from the options given below. 
 

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a

Both A and R are true but R is not the correct explanation of A.

b

Both A and R are true and R is the correct explanation of A. 

c

A is false but R is true.

d

A is true but R is false.

answer is C.

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Detailed Solution

A is true but R is false.

Exponential growth is due to unlimited resources and the lack of competition.

In competition, the fitness of a species in terms of its ‘r’ is significantly lower in the presence of another competing species.

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