The Role of Greens : Plants and the Food Web | Science of Living Things Grade 4 | Children's Science & Nature Books
All organisms on Earth need food as a source of nutrition and energy. Without a food source, all life will be lost. A food web serves as a guide that will help you understand who or what gets eaten by whom. Notice that the food web always begin with plants because these are the only organisms that are capable of producing their own food. Turn the page to learn more.