Question #a976a

1 Answer
Oct 12, 2015

A vertebrate.

Explanation:

If it has a spine, it's a chordate. Most common animals outside the chordate phylum are mollusks, corals, sponges, jellyfish and flatworms.
Chordates are the rest, including animals without backbone like earthworms and insects.

Vertebrates are usually grouped in:
-Jawless fish
-Jawed fish
-Amphibians
-Reptiles
-Birds
-Mammals