Assertion: sponge's form | /r/HasProperty | animal
Facets:
Source sentences:
text: (2017b) reviewed all the published evidence from the Wen’an biota of the Doushantuo Formation and concluded that “although the Weng’an Biota includes forms that could be animals, none can currently be assigned to this group with confidence.
text: For decades, zoology textbooks have described sponges as the simplest form of life that could still be called an "animal.