28 ANATOMY AND PHYSIOLOGY 



6. Make a drawing of this apparatus in longitudinal 

 section at the beginning and at the close of the 

 experiment, labeling all essential parts. 



7. The conclusions drawn from this experiment should 

 cover an explanation of the bearing of these results 

 on Experiment 8. 



8. The experiments on transpiration have shown that 

 living plants are constantly losing water. What 

 would be the result if no more were supplied? 

 What problem of plant life, therefore, naturally 

 arises? 



