Biology
Grade-9
Easy
Question
Which of the following process is responsible for fluctuation in population density?
- Hibernation
- Reproduction
- Age structure
- Natality
Hint:
Natality is responsible for fluctuation in population density
The correct answer is: Natality
- Natality is described as the ratio of live births occured in a place to the total population of that area.
- It is calculated per 1000 population per year.
- It is an essential factor for calculating census.
- Natality is also known as birth rate.
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