Answer :
Food chains helps in flow of energy from one trophic level to other trophic level.
Food chains interconnects one species with other.
many food chains forms a food web.
Food chains interconnects one species with other.
many food chains forms a food web.
A food chain is a linear sequence of link starting from species that are called producer and end at species that are decomposer.
It provide energy from one trophic level to other.
eg. gross-- frog-- snake .