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Unformatted text preview: or sexual; many species can produce both types. Some can remain airborne indefinitely, and many are able to survive extremes of temperature and pressure. Although molds grow on dead organic matter everywhere in nature, their presence is only visible to the unaided eye when mold colonies grow. A mold colony does not comprise discrete organisms, but an interconnected network hyphae called a mycelium. Many molds can begin growing at 4 degrees Celsius, the temperature within a typical refrigerator, or less. When conditions do not enable growth, molds may remain alive in a dormant state depending on the species, within a large range of temperatures before they die. The many different mold species vary enormously in their tolerance to temperature and humidity extremes. Certain molds can survive harsh conditions such as the snow-covered soils of Antarctica, refrigeration, highly acidic solvents, and even petroleum products such as jet fuel....
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This note was uploaded on 05/06/2010 for the course PLS 100 taught by Professor Newcity during the Spring '08 term at Roger Williams.
- Spring '08