animals / living things require water for survival
water is necessity_for_life. survive_must has not food_and_water survive_must has food_and_water food_and_water is not basic_human_requirements_for_sustinence. ocean has living_animals_and_plants food_and_water is basic_human_requirements_for_sustinence. humans_must has not water_to_survive living_being has fluids people has drink_water_to_survive humans_must has water_to_survive