Which two factors increase the population size and population density?

These question consist of two statements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following responses If both Assertion and Reason are true and Reason is a correct explanation of Assertion If both Assertion and Reason is a not a correct explanation of Assertion If Assertion is true but Reason is false If both Assertion and Reason are false Assertion: Migration is an imporant factor which determines both population size and population density Reason: In migration, a major part of population goes from one area to another area.

Explain population density.

Name the factors that increase the population size.

What is dispersal? How does it effect the population size and population density

Write notes on Population density?

What is population density of a population?

Name two factors which decrease the size/density of a population.

List four causes of increase in human population ?