Across
- 4. - Smaller villi
- 6. - Movement of sugars in a plant
- 7. - Endothermic reaction in plants
- 8. - No net movement of water
- 11. - Biggest blood vessel
- 14. - Longest bone
- 15. - Displayed genetic characteristics
- 16. - Most common virus in winter
Down
- 1. - Strengthens xylem walls
- 2. - First antibiotic
- 3. - Invasive tumour
- 5. - Antibody producing WBC
- 9. - Gap between neurons
- 10. - Bacterial appendages for movement
- 12. - Firm guard cell
- 13. - Fused male and female gametes