Answer:They rely on the natural fertility of the soil,In bad times they must resort to hunting and gathering,They live near their crops to give them protection.
Step-by-step explanation:
The Yanomamos are the largest indigenous group in the Amazon region occupying the rainforest on the border between Venezuela and Brazil.They are known as being horticulturists utilizing the rain forest resource to grow their fruits and foods likes potatoes, bananas mangoes,etc. They cultivate their land till the nutrients is depleted, before leaving and going to another land, which means that they depend only on the natural fertility of the land. the Yanomanos are known for living near their crops which serve as protection to them.They are also hunters who during bad times resort to hunting and gathering.