The period of time that it takes the population to double is known as:
A) the crude birth rate
B) the doubling time
C) fecundity
D) the crude death rate
E) the rate of population growth or decline

Question

Quizplus · Accepted Answer

The period of time that it takes the population to double is known as the doubling time. This is calculated using the rule of 70, which states that to find the doubling time, divide 70 by the annual rate of population growth.

The Period of Time That It Takes the Population to Double