Assertion: echinoderm's cell | /r/HasProperty | separated
Facets:
Source sentences:
text: Sponges do not possess true tissues and, if the cells of a sponge are separated, they can reassemble and form a functioning sponge.
text: E. Cells of a single sponge will recognize others of the same kind and reaggregate if the cells are separated and allowed to reassociate.