if a living thing requires something for survival then that living thing is dependent on that something
biologically_viable_thing 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. living_thing is living_or_fictional_thing. biologically_viable_thing is not living_thing. living_thing is tangible_thing. living_thing is not finite_spatial_thing.