Assertion: sponge's surface | /r/HasProperty | hard
Facets:
Source sentences:
text: Glass sponges live attached to hard surfaces and consume small bacteria and plankton that they filter from the surrounding water.
text: Most glass sponges live attached to hard surfaces and consume small bacteria and plankton that they filter from the surrounding water.
text: They can also live well on hard surfaces such as on rocks or soft surfaces like sand.
text: Sea sponges are aquatic animals that cling to a hard surfaces on the sea floor such as rocks or coral and, once attached, do not move around.
text: Although most sponges settle and grow on hard or rocky surfaces, some anchor to a firm object on soft bottoms, on sand, on mud, or on debris.
text: They live anchored to a hard surface.
text: The sponge grows on any hard surface; the smallest individuals observed are about 1 cm.