1
			2						3
	4
																5			6
7						8
9							10																	11
											12
					13				14
			15
	16
															17
	18
																19
													20
											21

Across 1. Microbes that cause disease 4. The use of microbes to decompose industrial wastes (e.g., oil spills) 7. This German physician made significant contributions to the germ theory of disease 8. Study of microbes (microorganisms) 9. Single-lens microscopes are also known as ______ microscopes 12. Microbes that do not cause disease 14. Use of living organisms or their derivatives to make or modify useful products or processes 15. ______ (2 words, no space) are also known as infectioius particles; Examples include prions and viruses 17. Microbes that have complex, demanding nutritional requirements are referred to as _______ 18. Process used to kill pathogens in many liquids; Developed by Louis Pasteur 20. _____ also known as saprophytes are involved in the decomposition of dead organisms and the waste products of living organisms 21. Substance produced by a microbe that is effective in killing or inhibiting the growth of other microbes

Down 1. Process used by some microbes to produce oxygen 2. ________ (2 words, no space, no apostrophe) refer to a scientific procedure used to prove that a specific microbe is the cause of a specific infectious disease 3. Prefix meaning very small 5. The earliest known account of a pestilence occurred in ______ around 3180 B.C. 6. ____ (2 words, no space) are the microbes that live on and in the human body 10. A _______ (2 words, no space) refers to a condition in which only one type of organism is growing on a solid culture medium or in a liquid culture medium in a lab 11. An infectious disease results when a pathogen ______ the body and causes disease 13. Anton van ________ is known as the "Father of Microbiology" 16. ______ also known as opportunistic pathogens do not cause disease under ordinary conditions; Have the potential to cause disease should the opportunity present itself 19. A microbial intoxication results when a person ingests a ______ that has been produced by a microbe