ECOLOGY
ECOSYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
The birthrate becomes higher than the death immigration and emigration
|
|
increased death rate and immigration
|
|
decreased birthrate and emigration
|
|
emigration and increased birthrate
|
Detailed explanation-1: -Answer and Explanation: If immigration and emigration numbers within a population remain equal, the factor that could cause a slowed population growth rate is c) decreased birth rate.
Detailed explanation-2: -Immigration describes individuals moving into the population while emigration describes individuals exiting the population. If immigration rates are higher than emigration rates, the population increases, whereas if emigration rates are higher than immigration rates, the population size decreases.
Detailed explanation-3: -There are three components of change: births, deaths, and migration. The change in the population from births and deaths is often combined and referred to as natural increase or natural change. Populations grow or shrink depending on if they gain people faster than they lose them.