.26 BIOLOGY FOR BEGINNERS 



Because it is alive, protoplasm has certain remarkable properties: 



1. It takes in, digests, and assimilates food. 



2. It oxidizes food and excretes waste. 



3. It grows in size and form. 



4. It has power of motion. 



5. It responds to light, heat, moisture, etc. 



6. It reproduces. 



D/ A SIT Atf OF 4 TYPICAL CIL 



FIG. 3. Animal and plant cells similar in structure but varying in form. 



We observe that this list is much like the one which gave the 

 points in which the cat resembled the geranium. Now we can see 

 the reason: both depend on protoplasm for life, so, of course, their 

 life processes would be similar. 



