NEET BIOLOGY

Detailed explanation-1: -Final answer: In the food chain, frog is secondary consumer.

Detailed explanation-2: -Grasshoppers in turn are eaten by frogs, which is occupying the third trophic level. Frogs here are termed as secondary consumers. Frogs are in turn being eaten up by snakes, which is occupying the fourth trophic level.

Detailed explanation-3: -The frog is considered to be a secondary consumer because it depends upon the primary consumer for its food like insects. Primary consumers are the ones who depend upon autotrophs or the producers for their food like herbivores.

Detailed explanation-4: -Secondary consumers are largely comprised of carnivores that feed on the primary consumers or herbivores. Other members of this group are omnivores that not only feed on primary consumers but also on producers or autotrophs. An example is a fox eating rabbit.