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Seedless Vascular Plants Were the Dominant Plants on Earth Until

Question 43

Multiple Choice

Seedless vascular plants were the dominant plants on Earth until their dominance ended at the end of the Carboniferous period, about ____.

A) 1.5 billion years ago
B) 420 million years ago
C) 250 million years ago
D) 125 million years ago
E) 17 million years ago

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