If in a population the natality is 30 and mortality is 5, in a span of 10 years. What is the growth rate (GR) of that population?

Category: QuestionsIf in a population the natality is 30 and mortality is 5, 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 30 and mortality is 5, in a span of 10 years. What is the growth rate (GR) of that population?
 
(a) 0
 
(b) 2.5
 
(c) 10
 
(d) -10
 
This question was addressed to me by my college professor while I was bunking the class.
 
My query is from Population Growth in portion Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

Correct option is (b) 2.5
 
Explanation: As per the formula, GR =
Natality–Mortality
Unittime
=
30–5
10
= 2.5
 
The growth rate of the given area is 2.5 in 10 years.