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(B) In population ecology,when resources are unlimited,the population grows at a rate proportional to the size of the population. This is represented

Vedclass · Accepted Answer

Exponential growth

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(B) In population ecology,when resources are unlimited,the population grows at a rate proportional to the size of the population. This is represented by the equation $\frac{dN}{dt} = rN$. As the number of individuals $(N)$ increases,the rate of addition of new members also increases,leading to a $J$-shaped curve known as exponential growth. Therefore,when the rate of addition of new members increases with respect to the individual host of the same population,the graph obtained represents exponential growth.

$Country$	$Birth\, rate$ $/1000$	$Death\, rate$ $/1000$
$M$	$15$	$5$
$N$	$25$	$10$
$O$	$35$	$18$
$P$	$48$	$41$

If the rate of addition of new members increases with respect to the individual host of the same population,then the graph obtained has:

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The birth and death rates of four countries are given below. Which one will have the least population growth rate?
$Country$ $Birth\, rate$ $/1000$ $Death\, rate$ $/1000$
$M$ $15$ $5$
$N$ $25$ $10$
$O$ $35$ $18$
$P$ $48$ $41$

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