MATERIALS FROM PLANTS AND ANIMALS 427 



PLANTS AND ANIMALS AS SOURCES OF USEFUL MATERIALS 



1. Man's place in the world 



The center of the universe 



In his own opinion ; compare bread beetle or clothes moth 

 One of many species 



Some useful ; some injurious 



Greatest utilization depends on better knowledge 



Greatest amount of protection depends on better knowledge 



2. Material utilities furthered by plants and animals 



Maintaining life Maintaining health 



Food Cleanliness 



Shelter Drugs 



Clothing Accessories 



Housing 

 Fuel 

 Carrying on work 



Instruments and tools for various purposes 



Raising food and other materials Transporting 

 Working over (manufacturing) Recording 



Storing and preserving 

 Enjoying life and leisure 



Means of play and amusement 

 Satisfying the senses 

 Taste 

 Odor 

 Sound 

 Sight 



Ornamentation and beautifying 

 Of the person 

 Of the surroundings 



Homes Streets 



Other buildings Parks 



Grounds 

 Various direct and indirect services 

 Transportation 

 Pollenation 



Keeping living enemies in check 

 Control of water supply (forest and humus) 

 Maintaining of fertility of soil 

 Companionship and amusement 



