

THE PLANT, ITS PARTS AND ORGANIZATION 5 



and so on. The nucleus divides first, and then the protoplasm 

 [or cytoplasm], but the process is too complex to describe here.) 

 7. Definition of protoplasm. Protoplasm is a semi-fluid, 

 granular, slimy substance, somewhat resembling the white of 

 egg. In the living condition it possesses the properties of sensa- 

 tion, assimilation, growth, reproduction, etc. Units of proto- 

 plasm (cell, or protoplast), each with a nucleus, form the structural 

 and physical basis of all living organisms. The growth, beha- 

 vior, reproduction, etc., of all living beings, plant or animal, is 

 dependent fundamentally on the properties of the living substance, 

 protoplasm. 



