CHAPTER II 



WHAT FEEDING STUFFS CONTAIN 



How Plants Grow. Plants get their food from 

 the soil and the air. When supplied abundantly 

 with food, and surrounded by favorable conditions 

 like warmth, moisture, sunlight and an agreeable 

 soil free of weeds and insect enemies, they grow 



How AN ANIMAL CELL DIVIDES 



Here is shown nuclear and cell division. The letters A, B and C indicate 

 the successive stages. The region of the nucleus is a; cytoplasm or pro- 

 toplasm, b; and the beginnings of the daughter nuclei, c. The letter d shows 

 how the original cell has divided internally into two, each with a large 

 nucleus. (After Guignard.) 



rapidly and produce bountifully. Their method of 

 using food is much different from that of animals; 

 and their digestive system is of another order. 



Plant Cells. A plant is formed of myriads of 

 cells. These increase in numbers as the plant 

 grows larger. Stated in a simple way, the cell is an 

 inclosed sac within whose walls are the juices and 

 other substances required for growth and develop- 



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