Indigenous survival methods have persisted, like their keepers, for hundreds of years against invasion, disease, and ecological catastrophe. That would depend

Indigenous survival methods have persisted, like their keepers, for hundreds of years against invasion, disease, and ecological catastrophe. That would depend on the people in question. The list of indigenous tribes who wiped themselves out by destroying their environment is extensive. The Maya, the Anasazi, Easter Islanders, the Nazca, and countless more we'll never know about.