Select the vertebrate.
A: green iguana
B: julia butterfly
C: black orb weaver spider
D: bull ant
A bull ant is an insect. Like other insects, a bull ant is an invertebrate. It does not have a backbone. It has an exoskeleton.
Like other spiders, a black orb weaver spider is an invertebrate. It does not have a backbone. It has an exoskeleton.
A julia butterfly is an insect. Like other insects, a julia butterfly is an invertebrate. It does not have a backbone. It has an exoskeleton.
A green iguana is a reptile. Like other reptiles, a green iguana is a vertebrate. It has a backbone.