Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following:

Frogs, Plants, Snakes, Hawk, Insects

Second trophich level in a food chain is Primary consumer. Primary consumers eat or feed on producers which ar eplants. Insects belong to the secondary trophich level i.e. they are primary consumers.

The fourth trophic level in a food chain is Tertiary consumers or carnivores. Snakes belong to the fourth tropic level.