Changes to the environment

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