Across
- 2. - Storage organelle in plant cells.
- 4. - Variety of life in a particular habitat.
- 8. - Community of living organisms and their environment.
- 9. - Group of similar cells working together.
- 10. - Pathogen that can only replicate inside a host cell.
- 11. - Change in DNA sequence.
- 12. - Small openings on leaves for gas exchange.
- 14. - Structure that carries genetic material in cells.
- 15. - Biological catalyst that speeds up reactions.
- 17. - Movement of water across a semi-permeable membrane.
- 18. - Fusion of male and female gametes.
- 19. - Trait that improves an organism's ability to survive.
Down
- 1. - Unit of heredity found on chromosomes.
- 3. - Process by which plants make food using sunlight.
- 5. - Process of converting glucose into energy.
- 6. - Powerhouse of the cell, where energy is produced.
- 7. - Basic unit of life.
- 12. - Interaction between two different organisms living together.
- 13. - Maintenance of stable internal conditions.
- 16. - Molecule that carries genetic information.