Select the vertebrate.
A: monarch butterfly
B: atlantic salmon
C: red-kneed tarantula
D: hissing cockroach
Like other tarantulas, a red-kneed tarantula is an invertebrate. It does not have a backbone. It has an exoskeleton.
A monarch butterfly is an insect. Like other insects, a monarch butterfly is an invertebrate. It does not have a backbone. It has an exoskeleton.
An atlantic salmon is a fish. Like other fish, an atlantic salmon is a vertebrate. It has a backbone.
A hissing cockroach is an insect. Like other insects, a hissing cockroach is an invertebrate. It does not have a backbone. It has an exoskeleton.