Energy is the ability to do work. The form of energy that living things need for these processes is chemical energy, and it comes from food. Autotrophs make their own food. Heterotrophs obtain food by eating other organisms. Organisms mainly use the molecules glucose and ATP for energy.
Explanation:i hope this is correct
<span>Carbon-based macromolecules are found in all life forms.</span>
Humans have approximately 24,000 genes, but fruit flies are not far behind, with approximately 14,000 genes.
