300 Why Living Tlmigs Behave As They Do unit v 



Further Activities in Biology 



1. How can you establish a conditioned response in white rats? Train 

 white rats to come for food at some special signal. What will you do to 

 make the rats lose this conditioned reflex? Try it. Keep a record. 



2. Devise an experiment to show the "trial and error" method of 

 learning by a cat or dog or some other pet. {Hint: Use a puzzle box 

 from which the animal can escape by pushing one side.) 



3. Determine to what extent the presence of food at the end of a 

 maze will affect the time in which the animal learns to get out of the 

 maze. 



4. Report on various methods of aiding one's memory. You mav^ try 

 some of these methods to see if they actually do help you to memorize 

 better. 



