500-million-year old worm 'superhighway' discovered in Canada
Prehistoric worms populated the sea bed 500 million years ago -- evidence that life was active in an environment thought uninhabitable until now, research shows.
from Plants & Animals News -- ScienceDaily https://ift.tt/2EDgCsS
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from Plants & Animals News -- ScienceDaily https://ift.tt/2EDgCsS
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