. Europe and other continents . *, or can beobtained by simple hunting de-vices (Tigs. 56 and 61), man isapt to do no more work than isnecessary to secure food that isFig. oi. near at hand. His life is simple, An Indian hunter in the Amazon his needs are few, and his ad-forest. vance is slight. It is in thetropics that these conditions exist, and it is there that wefind the least THE HUMAN BACE 79 Where these conditions are found only a small numbercan live, because there is a limit to the food that is easilyavailable ; therefore the tropical forest zone is for themost part spar


. Europe and other continents . *, or can beobtained by simple hunting de-vices (Tigs. 56 and 61), man isapt to do no more work than isnecessary to secure food that isFig. oi. near at hand. His life is simple, An Indian hunter in the Amazon his needs are few, and his ad-forest. vance is slight. It is in thetropics that these conditions exist, and it is there that wefind the least THE HUMAN BACE 79 Where these conditions are found only a small numbercan live, because there is a limit to the food that is easilyavailable ; therefore the tropical forest zone is for themost part sparsely inhabited. In fact, it is said that partsof the tropical forest average but one person for everytwenty-four square miles ; and most of the inhabitantsdwell near the rivers. Canyou suggest reasons for livingthere ? When the numbersincrease greatly, new meansof obtaining food must befound ; and for this purposewar and even cannibalism aresometimes resorted to. Development of Agri-culture. — But by far themost common means of add-ing to the supply of food isthrough the care of plantsand animals. The plant worldoffers valuable foods stored inseeds, bulbs, and roots. Undernatural conditions these foodsare scattered, and agriculturedoubtless began by gathering them from the wild plants,as many native tribes still do. A step in advance wouldbe made by planting such seeds near the home a


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectgeograp, bookyear1901