WHAT IS PHYSICAL LIFE 



last antedate us. Therefore untold mil- 

 lions of years of active unicellular life 

 passed before the time came for a single 

 multicellular organism to come into being. 

 Having reviewed some of the aspects 

 of the unicellular forms of the living king- 

 dom, it is now time to consider their rela- 

 tions to our subject of the origin and na- 

 ture of physical life. We may ask: 



I. What is the answer to the question, 

 How did life begin on this globe, and in 

 what form or forms? The answer is that 

 it did not begin in an accidentally formed 

 jelly, for such an event never happened in 

 millions upon millions of years and hence 

 cannot happen now, for not a single bacil- 

 lus, nor protozoon, nor diatom, nor any 

 foraminifera can now be made by any- 

 body. 



II. This primeval living matter when it 

 came into existence did not forthwith be- 

 gin to vary in all directions, because these 



