HUMAN LIFE 



III 



THE BIOLOGIST AND EVERYDAY 

 LIFE 



IN our preceding discussions we became 

 acquainted with certain facts which con 

 tribute in some degree to help solve the 

 problem of human origin and the place in 

 Nature of humankind. And we noted 

 certain other facts which help to reveal 

 the kind and extent of the influence on 

 human behavior of some of those biolog 

 ical factors whose influence on the life of 

 other animals is so obvious to the student 

 of general biology. 



In recognizing these facts we have at 

 the same time recognized the necessity of 

 taking account, in any candid study of 

 &quot;human life, of the special significance of 

 these facts, which is, simply, that the 

 human species, however different it may 

 seem or actually be from other forms of 

 life, is not so different as to be something 

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