Select the vertebrate.
A: red-kneed tarantula
B: giant octopus
C: red-tailed hawk
D: castor bean tick
Like other tarantulas, a red-kneed tarantula is an invertebrate. It does not have a backbone. It has an exoskeleton.
Like other octopuses, a giant octopus is an invertebrate. It does not have a backbone. It has a soft body.
A castor bean tick is an insect. Like other insects, a castor bean tick is an invertebrate. It does not have a backbone. It has an exoskeleton.
A red-tailed hawk is a bird. Like other birds, a red-tailed hawk is a vertebrate. It has a backbone.