DENDROLOGY

Detailed explanation-1: -The solar energy captured by the leaves is used to make food which is stored in the plant. All organisms are directly or indirectly dependent on plants for their food. Thus, the sun is the ultimate source of energy for all living organisms.

Detailed explanation-2: -Sun – The Ultimate Source Of Our Energy.

Detailed explanation-3: -The sun is the ultimate source of almost all kinds of energy on earth, either directly or indirectly. Fossil fuels (coal, oil and gas) are the transformed forms of plants (and animals) which once lived on the earth and grew to capture the energy of the sun.