if a living thing must do something to survive, then doing that something better has a positive impact on that living thing's survival
biologically_viable_thing is living_thing. survivor is living_thing. life is not living_thing. living_thing is not tangible_thing. humans is living_things. life is living_thing. aerobic_thing is living_thing. recovered_thing is not living_thing. living_thing is tangible_thing. recovered_thing is living_thing.