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OpenStudy (anonymous):
The first seed plants appeared during the: Carboniferous Ordovician Permian Silurian
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OpenStudy (anonymous):
As far as I know seed plants first appeared in late devonian period.. Land plants during ordovician..so.....:/
OpenStudy (anonymous):
What you think?
OpenStudy (anonymous):
thank you so much, you have no idea how much your helping me!
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