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During which period did the first land vertebrates appear? A. Devonian B. Mississippian C. Pennsylvanian D. Permian
The first land vertebrates appeared during the Permian period.
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Asked 1/18/2011 6:58:50 PM
Updated 7/28/2016 5:16:23 AM
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The first land vertebrates appeared during the Permian period.
Added 7/28/2016 5:16:23 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/28/2016 7:00:57 AM]
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Updated 12/29/2015 6:49:12 AM
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Updated 7/23/2014 3:00:14 AM
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Updated 3/29/2015 11:30:46 AM
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Added 3/29/2015 11:30:46 AM
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