Answer:
C.emigration is the answer......
D. Predators
Predators keep populations of other species in check. This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there. The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer. Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.
The rate mainly effects the size of the crystals in the rock forming
Answer:
A) Competition
Explanation:
The red deer are fighting to gain possession of a female red deer, which means that there is competition among them.