Start Your Day With Lynn Margulis, Ponder Translucent Clams, Symbiogenesis, Bacterial Origins, and [UH OH,] Might We Be Mammalian Weeds?

Archive The Wonderful World

“Most clams live in deep, fairly dark waters. Among one group of clams is a species whose ancestors ingested algae—a typical food—but failed to digest them and kept the algae under their shells. The shell, with time, became translucent, allowing sunlight in. The clams fed off their captive algae and their habitat expanded into sunlit …

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