Assertion: sponge's cell | /r/HasProperty | old
Facets:
Source sentences:
text: Sponge can consume half their weight in this carbon every day, and instead of using this extra carbon to grow, they shed their old cells, producing food for other organisms.
text: Sponge can consume half their weight in this carbon every day, and instead of using this extra carbon to grow, they shed their old cells, producing food for other organisms.