Question

write the reason for the formation of a food web in the ecosystem

Answer 1

A numeral food chain interlink and
become a foodweb
ex. insect >frog > snake
^
lizard
^
mongoose
I hope it will help you

Answer 2

Main Reason=>
1).it is very complex network as well as than that of food chain.
2). it's formation is necessary to balance the ecosystem.
3). it's helpful to stable to all species in the ecosystem.
4). In food web every species feed on other species than as a result in ecosystem variety of different species are maintained.
with the help of it " extinct species are conserved"
So, that formation of food web is # ESSENTIAL...........*****