what is food chain and food web?
| Food chain | Food web |
| A food chain is a linear sequence of organisms in which each organism is eaten by the next member in the sequence. This interaction among organisms involves the transfer of energy from one organism to another. | Food web is the network of many food chains which are interlinked together and forms a mult-itude of feeding connections among different organisms of a biotic community |
| It generally include 3-4 levels. | The levels of food web cannot be calculated as one organism is eaten by many different organisms. |