| Need some help with this Biology ?
A particular environmental change causes the deaths of 25 individuals in a herd of 100 wild horses, and it kills 50 individuals in a herd of 200 horses. Both herds live in areas of equal size. In this case, the growth of a wild horse population is most likely limited by _____.
A) a density-dependent factor
B) food supply
C) a predator
D) an abiotic factor
E) the presence of individuals of another species that uses the same food resource
|