Let’s explore water transport in plants. Place a few celery stalks in a beaker with some water. Add a few drops of blue food coloring to the water, and stir gently. Check the celery every few hours,...

Let’s explore water transport in plants. Place a few celery stalks in a beaker with some water. Add a few drops of blue food coloring to the water, and stir gently. Check the celery every few hours, and let the stalks sit overnight. What do you observe? Cut off the bottom of a celery stalk. Can you see the xylem?