Since it says along with hunting my guess is that the answer is B) habitat change
It is known as Nodes of Ranvier
Answer:
The mitochondria is the location in the cell where most of cellular respiration takes place, although a small amount of cellular respiration does take place in the cytoplasm. The mitochondria is often called the power house of the cell because it is involved with making energy for the cell.
When the muscle shortens/contracts, the two bones become closer together.
