Without Claws or Armor, 520-Million-Year-Old 'Naked' Critter Was Likely a Loner

A 'naked,' wormlike creature that lived in the ocean 520 million years ago was so defenseless, it likely lived as a recluse, evading hungry predators by hiding in dark crevices or among clusters of sponges, a new study finds.

from Live Science https://ift.tt/2NUwqx3
via IFTTT