EXERCISE 37 



Problem. Do all parts of the stem and of the root grow at the same rate ? 



What to use. Bean or pea seedling ; India ink ; brush ; container for growing seedlings. 



What to do. Paint lines of india ink equal distances apart on root and on shoot. Return 

 to water and after twenty-four hours examine position of the lines. 



Record. Compare later condition with first. Where does extension of growth show most? 

 Where least? 



Make diagrams to show what has happened, and the basis for your conclusion. 



Questions. 1. Do all the parts of your body grow at the same rate ? 

 2. Are the rates of growth the same all the time ? 



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