Across
- 2. A type of level used in food chains and food webs.
- 5. A type of bacteria which is resistant to most antibiotics. (M_ _ _ )
- 6. An organism that causes an infectious disease.
- 7. Name of a thing at the start of the food chain.
- 9. Name for chemical which kills bacteria or stops them growing.
- 12. A protective barrier around the body which protects against pathogens.
- 13. Diagram which shows the transfer of chemical energy between different organisms.
- 14. Tears, saliva and mucus contain an enzyme called ........
Down
- 1. Flies and Mosquitos are examples of these.
- 3. ............. .... in stomach kills pathogens in food and drink.
- 4. which prevents infection by killing pathogens.
- 5. Disease caused by a protozoan pathogen.
- 8. Moves pathogens out of lungs.
- 10. Chemical which kills some types of microorganisms.
- 11. Chemical which kills fungi or stops them growing.
- 15. Helps trap pathogens in breathing passages and lungs.