| facies |
A distinctive group of characteristics within part of a rock body (such as composition, grain size, or fossil assemblages) that differ as a group from those found elsewhere in the same rock unit. Examples: conglomerate facies, shale facies, brachiopod facies.
출처: imnh.isu.edu/digitalatlas/glossary/letter.asp
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| factor |
1. primary factor. 2. Sometimes refers to any input to production. 3. Anything that helps to cause something, as a "contributing factor."
출처: www-personal.umich.edu/~alandear/glossary/f.html
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| facultative |
Literally means "optional"; an adjective used to describe that an environmental factor is optionally (not necessarily) required for an organism to grow. For example, a facultative anaerobe can normally grow in the presence of oxygen but alternatively, it can also grow without oxygen.
출처: www.hardydiagnostics.com/Glossary-F.html
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| facultative aerobe |
An organism which is normally anaerobic but can also grow in the presence or oxygen (O 2 ).
출처: www.hardydiagnostics.com/Glossary-F.html
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| facultative anaerobe |
An organism that can grow well both in the absence of oxygen and in the presence of a level of oxygen equivalent to that in an air atmosphere (21%). Some are capable of growing aerobically by respiring with oxygen and of growing anaerobically by fermentation; others have a strictly fermentative type of metabolism and do not respire with oxygen.
출처: www.hardydiagnostics.com/Glossary-F.html
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