HOW THE ROOT GETS FOOD FROM THE SOIL 13 



water for the plant. To do this is the special work of 

 the root hairs. 



How do root hairs reach the water? If we place 

 radish seeds on the surface of moist soil and cover them 



FIG. 8. Root hairs of radish. 



with a tumbler, they soon grow and we see their roots 

 covered with fine white hairs looking like mold. These 

 are the root hairs (figure 8). Each one is a long deli- 



