Across
- 5. wave‑like muscle contractions that move food along the gut
- 8. tiny pores on leaves that allow gas exchange
- 11. vessel that transports water to the leaf for photosynthesis
- 12. net movement of particles from a higher to a lower concentration
- 13. protective outer layer of cells on a leaf
- 15. green pigment that absorbs light energy for photosynthesis
Down
- 1. waxy layer that reduces water loss from the leaf surface
- 2. leaf layer packed with chloroplasts for maximum light absorption
- 3. leaf layer with air spaces to allow diffusion of gases
- 4. movement of water from high to low water potential through a membrane
- 6. enzyme that breaks down starch into maltose
- 7. dioxide gas taken in by plants for photosynthesis
- 9. tiny finger‑like structures that increase surface area in the small intestine
- 10. structure containing xylem and phloem in a leaf
- 14. main sugar product made during photosynthesis