Question

What is the source of energy for all the living organisms on the Earth?

Answer 1

Sun

• It is the ultimate source of all energy on the earth.
• The light rays of sun helps to keep the earth warm.
• All the plants are dependent on the sun to prepare their food by process of photosynthesis and the animals are dependent on plants directly or indirectly.
• Thus, Solar energy is the renewable source of energy which is essential for all living organisms on the earth.