invertibrates
invertibrates
invertibrates
The siphonophore belongs to the phylum Cnidaria.
Cnidaria
No, vertebrates. Vertebrates have a backbone, invertibrates do not. Anything that has a complicated skeleton definitely has a backbone.
No, the siphonophore belongs to a different phylum - cnidaria, along with jellyfish; the chiton is a mollusc, phylum molluscae along with snails and bivalves.
Giant Siphonophore
yes they are
yess
yes
They don't. Hence the hard crunchy shell on the outside with the soft center - like M&Ms.