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Ratio between mortality and natality is ...

Ratio between mortality and natality is :

A

vital index

B

population density

C

total count

D

none of these

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The correct Answer is:
A
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[A] : The community that ends in a succession is known as climax community . [R] : For a species population in climax community to be stable , there must be a balance between natality and mortality .

(a) Write any two differences between Natality and Mortality rates. (b) Explain three kinds of population with regard to age distribution.

Following table summarises the differences between natality and mortality. Select the incorrect ones. {:("Natality","Mortality"),((i)"Natality is number of births per unit population per unit time.","It is number of deaths per unit population per unit time."),((ii)"It adds new individuals to the population.","It removes individuals from the population"),((iii)"It increase the size of population.","It decreases the size of population"),((iv)"It increase population density.","It reduces population density."),((v)"It is low when population size is small and high when population size is large.","It is high when population size is small and low when population size is large."):}

What is natality?

What is natality?

What is natality?

What is mortality?

What is mortality rate?

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