FOOD CHAIN ACTED BY THE STUDENTS

A food chain is a linear sequence of links in a food web starting from a species that are called producers in the web and ends at a species that is called decomposers species in the web. A food chain also shows how the organisms are related with each other by the food they eat. A food chain differs from a food web, 

THE BEST FRIEND ON EARTH OF MAN IS THE TREE

                                                                       Trees provides us with life saving medicines,for instance from the cinchona tree(once used to treat  malaria) and salicyclic acid from the white willow.Food and medicines are priceless gifts that trees and forests generously give us.But the services trees and forests provide- often refer ed to as ecosystem services-are far more significant. 

 Trees improve the quality of air we breathe by absorbing dust and other air pollutants such as ozone carbon monoxide and sulphur dioxide from the atmosphere.They control noise pollution by absorbing and blocking noise from the urban environment.

                                                                      Like human beings trees to grow make their food,exchange gases from the atmosphere and require water. And like us ,they also need care to live and flourish. In return of the kindness they show to us and the invaluable services they provide us   let us care for them .......... let us help them live