Extinction DIF; Having no more existing or living members
Answer:
Cellular Respiration: a process able to extract a large amount of energy from food molecules. In eukaryotic cells oxygen is a required component. This metabolic process is the main reason that animals have elaborate gas exchange organs such as lungs, gills and other systems. The goal of these systems is, of course, to get access to oxygen and to get rid of carbon dioxide.
Explanation:
I’m pretty sure that’s right
<span>This is invalidate, because the amount of energy should stay constant.</span>