| Front | How does water move up the xylem? |
|---|---|
| Back | Water evaporates in the leaves and cohesion means that the water molecules form a weak "chain" that will be pulled upwards and outwards. Adhesion to the xylem walls ensures that the "chain" does not move downwards. |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Function xylem vessel transport water mineral ions
Previous card: Villus wall cell thick reduce distance diffusion
Up to card list: IGCSE Biology Summary