Biology
Grade-10
Easy
Question
Which of the following mechanisms is responsible for fluctuations in population density?
- Aestivation
- Camouflage
- Hibernation
- Mortality
Hint:
The density of a population in given natural surroundings during a given period varies because of changes in four essential cycles.
The correct answer is: Mortality
Mortality is responsible for fluctuations in population density.
The four basic processes which result in the fluctuation in the density of the population of a given habitat are natality, mortality, immigration is the movement of people inside a particular region. Immigration is the movement of people out of a particular region.
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