Which of the following is responsible for Fluctuations in population?

The correct option is D

Emigration

The correct option is A, B, C, and D.

The explanation for the correct options:

1. A population is a total number of individuals living in a particular geographical area.
2. There are various factors that are responsible for fluctuation in population:

• Natality - Total number of birth at a given time in a particular geographical area.
• Mortality -Total number of death in a given time at a particular geographical area.
• Immigration- It is the movement of an individual inside a given particular area.
• Emigration- It is the movement of an individual outside a given particular area.

Final answer: Natality, mortality, immigration, and emigration are responsible for Fluctuations in population.