All animals need energy to survive, but every animal gets the energy they need in different ways. The movement of energy flows through a community is depicted as a food chain or food web. Food chain and food web are different; however, both show the direction of energy flow from one organism to another.
A food chain is a simple model of the relationships that allow energy to pass through an ecosystem, while a food web is a collection of a food chain that shows a variety of possible energy flow path. Energy moves through a community as organisms feed on one another. The position of the organism in both food chain and web is determined by how the organism obtains its energy they need to survive. This is known as trophic levels, a position in