The is a membrane-bound organelle that contains an organism's genetic material and control and regulate cellular processes.

The Nucleus is the membrane-bound organelle that contains an organism’s genetic material and helps control and regulate cellular processes.

I think it should be the nucleus since that is the organelle which contains the DNA and thus regulates cellular processes?

The answer is energy. the arrows are showing how exited and energized the stones are.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.