Select the animal that does not have a backbone.
toucan castor bean tick
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.
A castor bean tick is an insect. Like other insects, a castor bean tick does not have a backbone. It has a hard outer cover.
A toucan is a bird. Like other birds, a toucan has a backbone.