carnivore populations increase when there are available food sources. carnivore pop. wud double in size....
Answer: C. Oxygen delivery to muscle is increased when more carbon dioxide is produced by the muscle.
Explanation:
When someone is doing an exercise, for example, his heart rate increases. This increases the rate at which oxygen is carried from the blood to the muscles and carbon dioxide is moved from the muscles to the lungs, where it will be breathed out.
A germ-line mutation in one of the genes implicated in the cancer occurred in an ancestor.