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Refer to the given food chain operating ...

Refer to the given food chain operating in an ecosystem.

A population of organism X is introduced in this community which exclusively feeds on Q. Which of the following graphs correctly shows the changes in populations of P and R over time?

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The correct Answer is:
B
Organism X feeds on Q and if X is introduced in the given food chain, population of P will increase over time as organism Q.s population will decrease (which feeds on P). Population of R will decrease due to decreased population of Q.
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