UNIT III GREEN PLANTS MAKE THE FOOD USED 



BY ALL LIVING THINGS 



Fk;. i6i a ivbciit field at harvest tlvie. Wheat is the basic food for many vnlHons of 

 people, lor Diillions of others the basic food is rice or rye or barley or potatoes. We 

 do not eat the green parts of any of these plants, but the parts that we do eat can 

 develop only on green plains. Do you know why? 



