Segmented Worms
the most complex group of invertebrate is cnidarians
Phylum Vertebrata has the most complex animals.
Because you touch yourself at night
Group Behavior
A group of worms is called a clew. In fishing terms, they may be referred to as a bait of worms.
Segmented worms
Society
earthworms, polychaete worms, and leeches.
A group of worms is commonly referred to as a "cluster" or "bunch."
Pinworms belong to the Nematode group of worms.
social animals
annelida