Assertion: sea urchin's type | /r/HasProperty | worm
Facets:
Source sentences:
text: Invertebrates are animals without backbones and there are many different types, including insects, spiders, sponges, snails, octopuses, clams, squid, jellyfish, anemones, corals, starfish, sea urchins, worms - that's just the short list! ...