Select all the vertebrates.

• DOLPHIN

• OCTOPUS

• LION

• SNAIL

• CROCODILE

Select all the invertebrates

• STARFISH

• SNAIL

• DOG

• TURTLE

• SPIDER

What is the main characteristic of a vertebrate animal?

Why a backbone is important for vertebrates?

• It is beautiful.

• It supports their body.

• It is funny.

• It is heavy.

What is your favorite animal? is vertebrate or invertebrate?