5
lesson pretestMultiple Choice

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Question 5 • TPS EdX Biology

A population of cheetahs has a birth rate of 5 and a death rate of 15 Immigration is 2 , and emigration is 4 What is its population growth?

Answer
A
14
B
12
C
negative 12
D
negative 14

Explanation

Population growth equals births plus immigration, minus deaths and emigration. Using the given rates: 5 + 2 − 15 − 4 = −12. The growth is negative 12, meaning the population is decreasing; this is choice A.

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