In Native American culture they believed that everyone person had the spirit of a certain animal and when they died their spirit would live on inside the animal. The Native Americans also harvested plants and berries that they would use for various things from medicines to dyes.n Native American culture they believed that everyone person had the spirit of a certain animal and when they died their spirit would live on inside the animal. The Native Americans also harvested plants and berries that they would use for various things from medicines to dyes.