Genome sequence deepens mystery of inconspicuous sea creature

(PhysOrg.com) -- Resembling a smudge more than an animal, a mysterious life form known as a placozoan has now joined other obscure and primitive creatures whose genomes are providing insight into how animals first arose more than 650 million years ago.

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<p><a href="http://www.physorg.com/news138981858.html">Genome sequence deepens mystery of inconspicuous sea creature</a></p> <p>(PhysOrg.com) -- Resembling a smudge more than an animal, a mysterious life form known as a placozoan has now joined other obscure and primitive creatures whose genomes are providing insight into how animals first arose more than 650 million years ago.</p>