A density-dependent factor that could affect, there's is a decrease in prey animals Thus, option "A" is correct.
To calculate the population density, you will divide the population by the size of the area. Thus, Population Density = Number of People/Land Area.
The unit of land area should be square miles or square kilometers.
To learn more about population density click here:
https://brainly.com/question/3681782
#SPJ1