Without oxygen, organisms can just split glucose into two molecules of pyruvate.With oxygen, organisms can break down glucose all the way to carbon dioxide. This releases enough energy to produce up to 38 ATP molecules. Thus, aerobic-respiration releases much more energy than anaerobic respiration.That's what Respiration to generate engery.
I believe rottening would be the answer. Rotting, dead plants and animal feaces make great fertilizers.
2 with D and 1 with E and
Answer:
Filled out punnett square is in the image
Chemical energy, hope this helps. Correct me if im wrong but im sure its chemical energy