FOOD TECHNOLOGY

Detailed explanation-1: -The four levels in this food chain are primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators.

Detailed explanation-2: -It starts with acorns, which are eaten by mice. The mice are eaten by snakes, and then finally the snakes are eaten by hawks. At each link in the chain, energy is being transferred from one animal to another where the hawk being the predator.

Detailed explanation-3: -The arrows on a food chain indicate where energy is being passed. For example, an arrow pointing from some grass to a zebra means the grass gives energy to the zebra (when the zebra eats the grass). The arrows on a food chain indicate where energy is being passed.It also specifies the direction of the flow of energy.