Which of the following formula correctly defines natality?

Category: QuestionsWhich of the following formula correctly defines natality?
Editor">Editor Staff asked 2 months ago

Which of the following formula correctly defines natality?
 
(a) Natality = \frac{Number \, of \, deaths \, per \, year}{Mid-year \, population}
x 1000
 
(b) Natality = \frac{Number \, of \, births \, per \, year}{Mid-year \, population}
x 1000
 
(c) Natality = \frac{Number \, of \, births + Number \, of \, deaths}{Mid-year \, population}
x 1000
 
(d) Natality = Births – Deaths x 1000
 
I have been asked this question in quiz.
 
The origin of the question is Population Growth in chapter Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

The correct choice is (b) Natality =
Numberofbirthsperyear
Mid−yearpopulation
x 1000
 
Explanation: The natality is also known as the birth rate. It is the number of individuals born in a population at a specific time. For humans, it is described as a number of individuals born per 1000 of the population per year.