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the main ones are birth and death

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What are two factors that increase population size and two factors that decrease population size?

Increase: Survival and Immigration Decrease: Death and Emigration


What two factors caused the producer population to increase?

when two producers have babys


What are two things that increase a population?

One: size of habitat suitable for habitation. Two: Amount of food/water available. Three: Whether or not, and how many, predators there are. Four: Whether or not, and how many, competitors for one or two there are.


Which two factors can both cause a population to increase?

Reproduction & the increase of produce or other resources needed to survive.


What are the two factors responsible for increase in population?

Improved medical Increased resource availability


What two main factors increase population growth?

Increased birth rate and decreased mortality rate.


What two factors the cattle business to grow?

The two factors that has helped the cattle business grow has been increase in population, and scientific development in medicine to raise healthy cattle.


What two factors helped the cattle business to grow?

The two factors that has helped the cattle business grow has been increase in population, and scientific development in medicine to raise healthy cattle.


Two factors that increase the densityof a goose population?

There is no such WORD called "densityof" that's why these cannot possibly be the same question.!!!


What are the 2 types of population regulation?

The two types of population regulation are density-dependent factors, which are influenced by population size, and density-independent factors, which affect populations regardless of size. Density-dependent factors include competition for resources, predation, and disease. Density-independent factors include natural disasters, climate events, and human activities.


How do you think people moving in and out of the country will change the numbers of people?

People moving in and out of a country can change its population numbers by either increasing or decreasing the population size. Immigration (people moving in) will increase the population, while emigration (people moving out) will decrease it. The net effect will depend on the balance between these two factors.


What are two ways that the size of population can increase?

Increased Birth Rate or decreased Death Rate