BIOL 1011 Chapter : Microorganisms And Man
Document Summary
Microbiology: the study of microorganisms or single celled organisms (too small to be seen with the naked eye, need microscope: prokaryotes, eukaryotes, archaea. Will be studying : bacteria, protozoa- single celled eukaryotes, fungi- contributes to many antibiotics, yeast, viruses, unicellular algae, cyanobacteria-helps with oxygen. Mo in the ocean & sea 30x10^29 mo: photosynthesis, part of marine food chain, o2, building blocks of ocean life, recycle nutrients & material. Unfavorable microbes for man disease causing pathogens: altered human history, adds drama to invisible world of mo. Human history- war with microbes: major plagues and epidemics, black death throughout europe, blackened skin caused by hemorrhages, bubonic plague through europe & Mo in atmospherecubic meter of air 10^9: syphilis through europe, commuters, water vapor, rain drop, snowflake, chemical composition of atmosphere, 10 million deaths, influenza in massachusetts, 30,000 deaths. Back then, people didn"t know what caused the above, they suspected divine retribution, bad air, conjunction of planets and stars.
