Upper arm/elbows front side
A. cycles B. equilibrium C. change D. models E. scientific method
all these would be found in science.
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.
an organelle that releases energy for metabolic activity in a nerve cell is the what
the mitochondria