The 25 individuals are dying per year in a population, and the mid-year population is 7000. What is the death rate of that area?

Category: QuestionsThe 25 individuals are dying per year in a population, and the mid-year population is 7000. What is the death rate of that area?
Editor">Editor Staff asked 2 months ago

The 25 individuals are dying per year in a population, and the mid-year population is 7000. What is the death rate of that area?
 
(a) 13
 
(b) 30
 
(c) 2
 
(d) 3.6
 
This question was addressed to me in an international level competition.
 
My question is taken from Population Growth in section Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

Correct choice is (d) 3.6
 
The best I can explain: As per the formula, Natality =
Numberofdeathsperyear
Mid−yearpopulation
x 1000 =
25
7000
 1000 = 3.6
 
                            The birth rate of the given area is 3.6 per year.