A Jellyfish is an example of which of the following?

a. vertebrate

c. annelid

b. invertebrate

d. none of the above

The answer is b. invertebrate.

A jellyfish belongs to the Phylum Cnidaria, a group of invertebrate animals.

The difference between vertebrates and invertebrates is that invertebrates do not have a backbone. The jellyfish doesn't have a backbone, thus, it is invertebrate.