ANIMAL CLASSIFICATION— TAXONOMY 83 



4. List several familiar animals for which you have heard more than one com- 

 mon name. Give all the names you have heard for these animals. 



5. Why is a species name never used by itself? 



6. List the classification groups in their proper order. 



7. Why are common names often misleading? 



8. What prevents the mingling of varieties in nature? 



9. How does the law of priority determine which of two names should be given 

 an animal? 



10. Give some examples of different species which may be bred together. 



11. How are varieties of domestic animals maintained? 



