Questlon 13 of Assuming that other factors are equal, how are the immigration and emigration rates related in a stable population? A. The immigration rate is higher than the emigration rate. O B. The immigration rate and the emigration rate are equal. O C. The emigration rate is higher than the immigration rate. O D. As the immigration rate rises, the emigration rate falls.

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Population Growth

R and K Selection

R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.