Plants are main source of food. Justify.

Explanation

i) All living things are constantly need energy to live.
ii) They get the energy in the form of food.
iii) The food directly or indirectly comes from the green plants through photosynthesis.
iv) Plants make carbohydrates from inorganic substance, whkh is the basic food source for herbivores and carnivorous.
v) Hence plants are main source of food for most living world.