What are some facts about the jawless fish in the devonian period

Plants, which had begun colonizing the land during the Silurian Period, continued to make evolutionary progress during the Devonian. Lycophytes, horsetails and ferns grew to large sizes and formed Earth's first forests. By the end of the Devonian, progymnosperms such as Archaeopteris were the first successful trees

Umm it like late like who does a zoom in the night time umm bye

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