Assertion: sponge | /r/HasProperty | alive
Facets:
Source sentences:
text: When the researchers found a biomarker (24-isopropylcholestane, a type of cholesterol) excreted by the sea sponge in rocks from the Cryogenian period, they were able to discern that the sponge was alive a staggering 640 million years ago, 250 million years earlier than previously thought.
text: The only feature they share with plants beyond universal chemistry and the fact that they are alive is that they root to the spot.