<span>Energy (2 ATP molecules)
- It is a process by which energy is generated
and additionally : </span><span>6 NADH + H+ molecules, two FADH2 molecules, four carbon dioxide molecules</span>
In ancient times, people classified plants and animals by use. Like for plants they are being classified as beneficial or harmful. While for animals, they are classified as domestic animals, wild animals, creeping animals, flying animals, and sea animals.
