Which of the following process is responsible for fluctuation in population density?
(b) Age structure
This question was posed to me in a job interview.
Question is from Population Growth topic in division Organisms and Populations of Biology – Class 12
Correct option is (a) Emigration
Easy explanation: The emigration is responsible for fluctuation in population density. The population density decreases when emigration is more. Emigration is an act of leaving one’s own country and settling or residing in another country (abroad) permanently.