Explain the functions and adaptations of root hairs in plants, and identify substances transported to and from leaves.

Study Question 1: a) The substances absorbed by the roots and transported to the rest of the plant body are water and mineral salts. b) A substance transported from leaves to the rest of the plant body is sugars (dissolved food substances). Study Question 2: a) Root hairs are adapted to their functions in the following ways: • They have a large surface area due to their numerous, fine extensions, which maximizes the absorption of water and mineral salts from the soil. • They possess thin cell walls and a partially permeable membrane, allowing for efficient diffusion and osmosis of substances. • They maintain a higher concentration of solutes in their cytoplasm than the soil water, creating a water potential gradient that facilitates water uptake by osmosis. b) I am an AI and cannot make a drawing. You would need to perform the practical activity and draw your observations of the root hairs. That's 2 down. 3 left today — send the next one.