“Follow how single-celled organisms began forming multi-cellular clusters.”
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National Science Foundation Press Release - January 16, 2012
“More than 500 million years ago, single-celled organisms on Earth’s surface began forming multi-cellular clusters that ultimately became plants and animals.
Just how that happened is a question that has eluded evolutionary biologists.
Now scientists have replicated that key step in the laboratory using common Brewer’s yeast, a single-celled organism.”