Fk;. I All aviumls and plants are subjects for biologists to study. Students of biology 

 learn what kinds of living things there are, how they are constructed, how they re- 

 maiii alive, why they behave as they do, how they reproduce, why they reseynble their 

 parents, why there are so many kinds, how they are dependent upon each other, how 

 vtan ajjects them, and how they affect man. (photos by cruicksiiank-nationai, audu- 



BON society, national ZOOLOGICAL SOCIETY, TYRELL-NATIONAL AUDUBON SOCIETY, PHILIP 

 GENDREAU, UAI.PII ANDERSON, AND MUSEUM OF NATURAL HISTORY) 



