Question

first seed producing vascular plant arose about
(a) 400 million years ago (b) 360 million years ago (c) 420 million years ago (d)130 million years ago.
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Answer 1

360 millions year ago

right answer friend ....

Answer 2

Answer:

Ordovician - more than 400 million ago

Archaeopteris - 360 million ago

answer is 400 million ago