Scientists Discover First-Ever Organism That Doesnโt Need Oxygen To Survive
Water, food, and oxygen are the most basic elements needed to sustain life. Since their discovery, water bears, or tardigrades, have defied that fact by surviving without food for long periods and withstanding extreme temperatures and environments. However, while they donโt have respiratory organs, tardigrades do require oxygen to live. But what if there is an animal that doesnโt need oxygen, one of the essentials to life?