A tiny sea creature from the ocean bottom shows that staying the same can pay off—the rhabdopleurids have been living the same way for more than 500 million years.
“We think that change is always going to lead us to a better place, that evolution is always going to lead to something better,” says Mitchell, a University at Buffalo geology professor.
“But all this progress in making all these wonderful pelagic graptolites didn’t lead them to take over the world. They didn’t survive, but these simple dudes, these bottom-dwelling creatures, did.”
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Photo credit: U. Edinburgh