EVERYDAY SCIENCE

Detailed explanation-1: -Grass → Grasshopper → Frog → Snake → Eagle. Grass → Grasshopper → Frog → Snake → Eagle. A food chain is a linear sequence of links in a particular ecosystem starting from species that are called producers in the chain and ends at species that are called decomposers or ultimate consumers in the chain.

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 squirrel is a primary consumer (it eats only plants). The snake is a secondary consumer (it eats other animals). The eagle is a tertiary consumer (it feeds on other animals that eat meat).

Detailed explanation-4: -Grass → Grasshopper → Frog → Hawk. Grass → Grasshopper → Rat → Fox. Grass → Rabbit → Fox. Grass → Rat → Snake →Hawk. Grass → Rat → Hawk.