Biogenic substance
1 reference results for: Biogenic
Wikipedia
A biogenic substance is a substance produced by life processes. It may be either constituents, or secretions, of
plants or animals.
Examples
- Coal and oil are possible examples of constituents which may have undergone changes over geologic time periods.
- Chalk and limestone are examples of secretions (marine animal shells) which are of geologic age.
- Cotton and wood are biogenic constituents of contemporary origin.
- Pearls, silk and ambergris are examples of secretions of contemporary origin.
Wikipedia, the free encyclopedia © 2001-2006 Wikipedia contributors (Disclaimer)
This article is licensed under the GNU Free Documentation License.
Last updated on Thursday April 03, 2008 at 17:28:43 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
This article is licensed under the GNU Free Documentation License.
Last updated on Thursday April 03, 2008 at 17:28:43 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
Share This:
Copyright © 2008, Dictionary.com, LLC. All rights reserved.