Question

How do organisms get energy to do their work?

Answer 1

1. A living system is a complex organization that survives by carrying out various functions.
2. To perform these functions, energy is required.
3. To generate energy in the body, a living cell carry out various metabolic processes or reactions.
4. In metabolic reactions, molecules obtained from the outside environment are degraded and utilized to get energy.
5. The main source of molecules of compounds utilized in metabolic reactions is the food that living organisms consume.
6. Thus, organisms fulfill their energy demands by consuming food.