If in a population the natality is 50 and mortality is 80, in a span of 10 years. What is the growth rate (GR) of that population?

Category: QuestionsIf in a population the natality is 50 and mortality is 80, in a span of 10 years. What is the growth rate (GR) of that population?
Editor">Editor Staff asked 2 months ago

If in a population the natality is 50 and mortality is 80, in a span of 10 years. What is the growth rate (GR) of that population?
 
(a) 28
 
(b) 100
 
(c) 10
 
(d) -3
 
I got this question by my college director while I was bunking the class.
 
My doubt stems from Population Growth topic in portion Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

The correct option is (d) -3
 
The best explanation: As per the formula, GR =
Natality–Mortality
Unittime
=
50–80
10
= -3
 
The growth rate of the given area is -3 in 10 years.