Which of the following process is responsible for fluctuation in population density?

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Answer:

Mortality is responsible for fluctuation in population density.
It is the number of individuals died in a population at a specific time.
For humans, it is described as a number of deaths per 1000 of the population per year.

Related Questions:

How are plans, policies, and procedures typically refined and tested in the context of preparedness exercises?

Plans are only developed and tested during mock exercises without prior refinement.
They might have been developed in discussion-based exercises.
Smaller drills play no role in refining these plans.
Their effectiveness is evaluated through implementation during comprehensive exercises like mock exercises.

Which of the following statements accurately describe a mock exercise?

A mock exercise is a discussion-based activity where participants brainstorm disaster scenarios.
It is an action-based drill simulating a disaster or emergency.
Participants mobilize resources and personnel according to the Disaster Management Plan during a mock exercise.
Mock exercises primarily focus on theoretical planning rather than practical execution.