Third branch of life bares its genes. (Archaea)

From: Science News | Date: August 24, 1996| Author: Travis, John | Copyright information

Many scientists believe that microorganisms known as Archaea are so different from either bacteria or eucarya that they represent a unique branch of life. Unlike eucarya, archaea do not have nuclei. The microorganisms also differ from bacteria in many ways.

For eons, the methane-belching microorganisms lived anonymously on the floor of the Pacific ocean, nestled in the crevices of hydrothermal vents that spew boiling, mineral-laden water into the chilly sea. Then, in 1982, a small ...

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