The metabolic index for an animal is defined in terms of the “supply” of oxygen and that animal’s “demand” for oxygen. which of the following statements correctly describe that oxygen supply and demand?
a. oxygen is “supplied” by the animal and “demanded” by the environment because the ocean is undersaturated with respect to oxygen
b. oxygen is “supplied” by the environment and “demanded” by the animal to supply energy for activities like feedings, reproduction, and defense
c. oxygen is “supplied” by the ocean and “demanded” by the atmosphere
d. oxygen is “supplied” by the atmosphere and “demanded” by the ocean