Articles > Quizzes & Surveys > Still Water Community Plants – Quiz Still Water Community Plants – Quiz Quiz Choose the best answer. 1. The part of the plant that takes up water from the ground Leaves Stems Roots Flowers 2. Much of the water absorbed is lost to the external environment, meaning there is a rapid water _____________ . gain loss absorption none of the above 3. Source of oxygen photosynthesis cellular respiration aerobic respiration none of the above 4. Required by plants Magnesium Nitrogen Phosphorus All of the above 5. Required for photosynthesis Carbon dioxide Water Sunlight All of the above Send Your Results (Optional) Your Name To Email Time is Up!