Fact 1: Animals may compete for territory, water, food, or mates. Fact 2: Wild animals are habitual creatures. Given the two facts above, what may compete for territory, water, food, or mates?

OPTIONS:
a). fjords.
b). By wind and rain.
c). habitual creatures.
d). parasites.
e). movement of tectonic plates.
f). waterways.
g). small stones.
h). passenger pigeons.
The answer is:
c).