CHAPTER VI 



: t~ 



THE LIVE PAKT OP THE EAKTH 



90. Plants and Animals. Plants and animals are com- 

 binations of the earth's elements endowed with life. By 



means of the sun's en- 

 ergy they are able, the 

 plants directly and the 

 / animals indirectly, to 



do both internal and 

 external work which re- 

 sults in growth, repro- 

 duction and other ac- 

 tivities. Since plants 

 and animals are entirely 

 dependent upon the 

 earth and sun for their 

 existence, they, like 

 other earth and sun 

 phenomena, should be 

 studied in this course. 



91. Plants. Although 

 in their 'lower micro- 

 scopical forms it is very 

 difficult to distinguish 

 between plants and ani- 

 mals, yet the forms 

 ordinarily seen., differ 

 greatly. Most plants are fixed and consist of root, stem 

 and leaves, while most animals are movable and possess a 



t 182 



THE GRIZZLY GIANT. 



The monarch of all plants, 93 feet 

 around at the base. Notice the cav- 

 alry at the foot. 



