NEET BIOLOGY

Detailed explanation-1: -Primary producers use energy from the sun to produce their own food in the form of glucose, and then primary producers are eaten by primary consumers who are in turn eaten by secondary consumers, and so on, so that energy flows from one trophic level, or level of the food chain, to the next.

Detailed explanation-2: -A food chain is defined as the linear sequence of transfer of matter and energy in the form of food from one organism to another in an ecosystem.

Detailed explanation-3: -Arrows on a food chain, or food web, represent the flow of energy. The placement of the arrows in a food chain or food web is very important. The arrows always show the direction of the energy as it is transferred from one organism to another.