Rising deep-ocean oxygen levels likely opened up new marine habitats and spurred speciation | NYGazet

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent increase in deep-ocean oxygen, driven by the above-ground spread of woody plants—precursors to Earth's first forests.

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: An artist's rendering of a prehistoric jawed fish from the Late Devon... [5947 chars]