Assertion: sponge's type | /r/CapableOf | move into middle layer
Facets:
Source sentences:
text: Sponges have no nervous systems, their middle jelly-like layers have large and varied populations of cells, and some types of cells in their outer layers may move into the middle layer and change their functions.
text: Some types of cell in their outer layers may move into the middle layer and change their functions.
text: Some types of cell in their outer layers may move into the middle layer and change their functions.
text: Some types of cell in their outer layers may move into the middle layer and change their functions.