Select the animal that has a backbone.
fly human
Hint: Mammals, birds, fish, reptiles, and amphibians all 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 human is a mammal. Like other mammals, a human has a backbone.
A fly is an insect. Like other insects, a fly does not have a backbone. It has a hard outer cover.