Question

What is the ultimate source of energy for all living beings?

Answer 1

Ultimate source of energy for all living beings:

1. The energy from the sun is the ultimate source of energy for all living things.
2. The solar energy is utilized by the green plants or autotrophs to synthesize food by the process of photosynthesis.
3. Raw materials needed for photosynthesis are chlorophyll, sunlight, water and carbon dioxide.
4. Every living organism directly or indirectly depend on the food produced by the plants