2. Which of the following is a biotic factor that
might limit a population of mice?
A. water for the mice to drink
B. rainy weather that floods the mice's nests
C. owls that prey on the mice
D. rocks in which the mice can hide from
predators

3. In terms of its effect on population, which
factor is most similar to birth rate?
A. immigration
C. emigration
B. density
D. carrying capacity