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re: Two lifeforms merge in once-in-a-billion-years evolutionary event
Posted on 4/19/24 at 6:34 pm to LSUDVM1999
Posted on 4/19/24 at 6:34 pm to LSUDVM1999
quote:
The second time happened about 1.6 billion years ago, when some of these more advanced cells absorbed cyanobacteria that could harvest energy from sunlight. These became organelles called chloroplasts, which gave sunlight-harvesting abilities, as well as a fetching green color, to a group of lifeforms you might have heard of – plants. And now, scientists have discovered that it’s happening again. A species of algae called Braarudosphaera bigelowii was found to have engulfed a cyanobacterium that lets them do something that algae, and plants in general, can’t normally do – "fixing" nitrogen straight from the air, and combining it with other elements to create more useful compounds.
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