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If a new habitat is just being colonized, what contributes more significantly to population growth than the birth rate?

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in Biology – Class 12 by (271k points)
If a new habitat is just being colonized, what contributes more significantly to population growth than the birth rate?

(a) Death rate

(b) Immigration

(c) Birth rate

(d) Age pyramid

The question was asked by my school principal while I was bunking the class.

This intriguing question originated from Population Growth in chapter Organisms and Populations of Biology – Class 12

1 Answer

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Right choice is (c) Birth rate

The explanation: Immigration contributes more to the population growth than the birth rate in a new habitat which is just being colonized. Immigration is responsible for fluctuation in population density. It is an act of coming into a different country of which they are not natives and reside permanently.

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