Across
- 3. Process where the future generations are better adapted to the environment.
- 7. Made up of simple sugars.
- 10. Needed by plants to do photosynthesis.
- 12. Fibres help prevent ____________.
- 19. Plants and animals are ___________.
- 20. The _______ test is used to test for lipids.
- 21. Endocrine system uses chemical communication by means of _________.
- 22. The ________ system is used to identify a species.
- 23. A balanced ________ contains the right proportions of nutrients.
- 24. Plant tissue that transport food.
Down
- 1. _________ digestion occurs mainly in the mouth.
- 2. Genetic change in the DNA of an individual.
- 4. Cells that are part of the nervous system.
- 5. Permanent increase in size.
- 6. Sense organ that responds to changes in light.
- 8. Their function is protein synthesis.
- 9. Group of different tissues.
- 11. Structure of DNA.
- 13. Powerhouse of the cell.
- 14. Number of different species that live in an area.
- 15. Ability to detect and respond to changes in the environment.
- 16. 3D shape space of an enzyme.
- 17. Main site of gas exchange.
- 18. Chemical that gives plants the nutrients they need.