IV. EXPERIMENTS AND PRAC- 

 TICAL WORK 



I. Animal Life 



For general notes on Animal Life see pp. 19-23 of 

 this Companion. 



II. Plant Life 



PLANTS 



(See Tropical Readers, Book I, pp. 68-71.) 



Expt. 1. How a Plant Lives and Feeds. Make a 

 drawing of a growing plant, directing attention to the 

 following facts by side notes: 



(1) The leaves are in the air, and take in carbon 

 dioxide as food. 



(2) The roots are in the soil, and absorb their food in 

 the form of solution. 



Expt. 2. Some Roots do not Grow in the Soil. 

 Collect four plants with roots that do not grow entirely 

 in the soil, or that never reach the soil at all; e.g. wild 

 pine, mangrove, screw pine. 



Expt. 3. Some Plants never have Flowers. Collect 

 four plants that do not bear flowers, e.g. ferns, mosses. 



Expt. 4. Animals Feed on Plants. Make a col- 

 lection of six plants upon which you have observed 



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