New Phylum

Some scientists analyzed the DNA of this deep-sea, wormish creature, and they discovered it’s in its own phylum — the second broadest classification level after kingdom. Furthermore, the similarities and differences between this organism and our own phylum (chordates) suggest that we have a common ancestor who didn’t have a brain or a central nervous system. Apparently, the researchers also think this might mean that the brain was evolved independently more than twice. Which seems logical to me — the brain is such a good idea, why not do it again?

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