Question

Give one food chain having at least two steps

Answer 1

Grass ------> grasshopper ------------> Frog------->
Snake-------> Peacock

Answer 2

A food chain is a diagram which shows how one organism depend on the other for food.

Mostly, smaller organism is eaten up by a larger organism, thus the food chain continues. An example of food chain would be:  

Carrot -> Rabbit -> Fox -> Lion

This food chain starts with a natural element which is a carrot. A carrot is eaten by rabbit, the rabbit is eaten by fox, and fox is eaten by lion.