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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
How does emigration change into population size?
emigration
What are immigration and emigration and how do they affect population size?
Migration can increase population size by speading the animals (or people) over a wider area where there may be more resources. Migration (compression) into a single habitable area will increase the population density, but could cause either a numerical increase (more breeding) or a decrease (from limited resources).
Identify the four processes that determine population growth:?
immigration, birth, emigration, and death, and explain the impact of each on population size. (14.3) Immigration and birth increase the population size as they are bringing more individuals into the population. While death and emigration decrease the population because death kills off individuals while emigration is a process in which individuals leave/exit the population.
Identify the four processes that determine population growth: immigration, birth, emigration, and death, and explain the impact of each on population size. (14.3)?
Immigration and birth increase the population size as they are bringing more individuals into the population. While death and emigration decrease the population because death kills off individuals while emigration is a process in which individuals leave/exit the population.
When the number of births plus immigration exceeds the number of deaths plus emigration will population size increase?
Yes. If there are more "coming" than there are "going" then the numbers increase.
Difference between population change and population growth?
Population change refers to any increase or decrease in the size of a population, whereas population growth specifically refers to the overall increase in the population size over a given period, often expressed as a percentage. Population change can be influenced by factors such as births, deaths, immigration, and emigration, while population growth focuses on the net increase in population size resulting from these factors.
The number of births is a process that affects population size Name three other process that also affect whether a population will increase or decrease in number?
I mmigration and emigration; birth and deaths
How can populations change in size?
Populations can change in size due to factors such as birth rates, death rates, immigration, and emigration. If the birth rate is higher than the death rate and there is more immigration than emigration, the population will increase. Conversely, if the death rate is higher than the birth rate and there is more emigration than immigration, the population will decrease.
What are the four processes that determine population growth?
The four processes that determine population growth are birth rate, death rate, immigration, and emigration. Birth rate and immigration increase population size, while death rate and emigration decrease population size. These processes collectively determine whether a population grows, shrinks, or remains stable over time.
How is population size in an ecosystem determined by the relative rates of birth immigration emigration and death?
Birth and immigration both add individuals to a population, increasing the population size. Similarly, deaths and emigration remove individuals, reducing the population. So growth would be equal to the sum of immigration and births, minus the sum of emigration and deaths.
What are two way to leave the population?
Two ways to leave a population are through emigration, where individuals move out of the population to live elsewhere, and through death, which reduces the population size by the loss of individuals.
