Assertion: sponge's cell | /r/CapableOf | transform into other types
Facets:
Source sentences:
text: Sponges have unspecialized cells that can transform into other types and that often migrate between the main cell layers and the mesohyl in the process.
text: Here they grow into the adult sponge by adding cells which differentiate into various types, some structural, some digestive and others designed to move water through the body (flagella).