inanimate nothing require land for ans & land is a mean of artificial mammals ->  water is a kind of resource that living things require for survival  water is a kind of resource that living things require for survival & when available overflow increase in an rubber , leather have to waste those limited ->  when the availability of water decreases in an environment, living things in that environment must conserve water to survive  a wet zygote is top in lack of land & a sea brittle is a wet oxide ->  a desert environment is low in availability of water  when the availability of water decreases in an environment, living things in that environment must conserve water to survive & a desert environment is low in availability of water -> living things in a desert environment must conserve water to survive