A biologist studied the population of eats in a barn. He found that the average natality was 250, average mortality is 240, immigration is 20 and emigration to be 30. The net increase in population is

Question

Accepted Answer

Correct answer: D. (d) Net population change = (Natality + Immigration) − (Mortality + Emigration) = (250 + 20) − (240 + 30) = 270 – 270 = 0

$A biologist studied the population of eats in a barn. He found that the average natality was 250, average mortality is 240, immigration is 20 and emigration to be 30. The net increase in population is$

Solution

More Organisms & Populations PYQs