Question

what are food chains,give the difference between food chain and food web

give an example for both food chains and food web

Answer 1

a series of organisms feeding on one another taking part at various biotic levels in the ecosystem is known as food chain
for example ,
grass can be eaten by grasshoppers which can be eaten frog which can be eaten by snake which can be eaten eagle.

interlinking or interconnection of foodchain is known as food web
for example, each organism can be eaten by two or more organisms which in turn can be eaten by several other organisms
for example,
grass can be eaten an insect and a grasshopper which are both eaten by frog

Answer 2

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.