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INTRODUCTION TO ZOOLOGY. 



Make, a table of differences between a frog and a 

 tadpole. After this has been made, make another 

 column to the table for the statement of the character- 

 istics of a fish. In how many characteristics is the 

 tadpole unlike the frog and like the fish? What is 

 the strongest statement you can make about the 

 similarities of the tadpole and the fish ? 



Eeview Questions on the Frog. 



How many eyelids? 



Do they open into the 



1. How many eyes has a frog? 



With- which does it wink? 



2. Is there a third eyelid? 



3. Are the eyes movable? 



4. Has the frog a neck? 



5. Where are the nostrils? 



mouth ? 



6. Describe the ears. What is the white spot in the ear? 



7. Has the frog teeth? 



8. Where is the tongue attached? 



9. Is the tongue forked or round? 



10. Of what use is the tongue? How does the frog 



seize its food? 



11. Is the skin covered? 



