what happened during the devonian period? type your answer... rewatch submit

Brief Explanations:

The Devonian period, part of the Paleozoic era, is known as the "Age of Fishes." There were significant developments in fish evolution, with the appearance of diverse species like placoderms. It also saw the emergence of the first land - dwelling plants with true roots and leaves, and the first terrestrial vertebrates, the amphibians.

Answer:

Significant fish evolution, emergence of first land - dwelling plants with true roots and leaves, and appearance of first terrestrial vertebrates (amphibians).