Biology, asked by rageena, 10 months ago

A biologist studied the population of rats in a barn.
He found that the average natality was 250, average
mortality 240, immigration 20 and emigration 30.
The net increase in population
- (1) 15
(2) 05
(3) Zero
(4) 10

Answers

Answered by HariesRam

4

Answer:

The answer will be (3) Zero

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