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Q: What is meant by extinction?
A: In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species.
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Asked 1/8/2011 9:21:42 AM
Updated 11/10/2014 4:55:03 AM
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Edited by selymi [11/10/2014 4:55:03 AM]
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In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species.
Added 11/10/2014 4:41:08 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [11/10/2014 4:55:05 AM]
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What is barter system?
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Updated 7/7/2015 7:53:02 AM
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Barter is a system of exchange by which goods or services are directly exchanged for other goods or services without using a medium of exchange, such as money.
Added 7/7/2015 7:51:37 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [7/7/2015 7:52:46 AM]
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