Microorganisms Defined

Microorganisms Defined - environment, by breaking down the...

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Microorganisms Defined Microorganisms  are a collection of organisms that share the characteristic of being  visible only with a microscope. They constitute the subject matter of  microbiology.   Members of the microbial world are very diverse and include the bacteria,  cyanobacteria, rickettsiae, chlamydiae, fungi, unicellular (single-celled) algae, protozoa,  and viruses. The majority of microorganisms contribute to the quality of human life by  doing such things as maintaining the balance of chemical elements in the natural 
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Unformatted text preview: environment, by breaking down the remains of all that dies, and by recycling carbon, nitrogen, sulfur, phosphorus, and other elements. Some species of microorganisms cause infectious disease. They overwhelm body systems by sheer force of numbers, or they produce powerful toxins that interfere with body physiology. Viruses inflict damage by replicating within tissue cells, thereby causing tissue degeneration....
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This note was uploaded on 11/11/2011 for the course BIO 101 taught by Professor Pesthy during the Fall '07 term at Texas State.

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