Select the animal that does not have a backbone.
luna moth American crocodile
Hint: Insects, spiders, and worms do not have backbones.
Some animals have a backbone. The backbone is made of many bones in an animal's back. An animal's backbone helps connect the different parts of its body. In the drawings below, each animal's backbone is colored orange.
Other animals do not have a backbone. In fact, these animals don't have any bones! Some animals without backbones have a hard outer cover. Other animals have a soft body.
An American crocodile is a reptile. Like other reptiles, an American crocodile has a backbone.
A luna moth is an insect. Like other insects, a luna moth does not have a backbone. It has a hard outer cover.