What is the Ultimate Source of Energy for Almost All

Question

What is the ultimate source of energy for almost all living organisms?
A) Heat
B) Lipids
C) The sun
D) Glucose
E) Carbon dioxide

Accepted Answer

The sun is the ultimate source of energy for almost all living organisms on Earth, as it provides the energy necessary for photosynthesis, which is the process by which plants, algae, and some bacteria convert light energy into chemical energy. This energy then enters and moves through the food chain, supporting life.