Across
- 2. – Type of disease caused by microorganisms and viruses
- 4. – Group of organisms of the same species living together
- 6. – Agents that cause infectious diseases
- 7. – Chemicals used to kill germs on non-living objects
- 9. – Organisms that make their own food
- 10. – Animals that eat plants only
- 15. – White blood cells that help defend the body
- 16. – Weakened or dead germs introduced to stimulate immunity
- 17. – Substances used to destroy germs on living tissues
- 18. – Different populations living in the same habitat
- 19. – Disease caused by the parasite Plasmodium
- 20. – Foreign molecules that enter the body and trigger immunity
- 21. – Non-living environmental factors such as light and temperature
- 22. – Harmful substances released into the environment
- 24. – Proteins produced by white blood cells to fight pathogens
- 25. – Animals that eat both plants and animals
- 26. – Sequence showing transfer of energy through organisms
- 27. – Network of interconnected food chains
- 28. – Enzyme in sweat, saliva and tears that destroys bacteria
Down
- 1. – Symbiotic relationship where both organisms benefit
- 3. – Animals that are active at night
- 5. – Medicines that kill bacteria but not viruses
- 8. – Type of acid in the stomach that kills germs
- 10. – Long sleep during cold conditions to conserve energy
- 11. – Dormant state during hot or dry conditions
- 12. – Relationship where one organism benefits and the other is harmed
- 13. – Organisms that break down dead and waste matter
- 14. – Place where an organism lives and reproduces
- 18. – Colouring or pattern that helps organisms blend in
- 23. – Mosquito that transmits malaria