The Once-In-An-Eon Event That Gave Earth Plants Has Happened Again IFLScience A rare biological phenomenon, previously recorded just three times in Earth's history, has been observed once more. This instance involves a marine bacterium integrating into an algal host, evolving into a vital component of its cellular system. This positions these algae as the first eukaryotic life forms with an organelle specialized in nitrogen fixation.
https://babka-mastodon.nyc3.cdn.digitaloceanspaces.com/media_attachments/files/112/333/731/815/156/124/original/2d6a6193ed84cabf.png