ChordataVertebrates
With Backbone
કરોડધારી
Animals with a backbone inside
With backbone = a spine inside the body, like yours.
Say it like this: with backbone = a spine inside the body. Birds, mammals, fish, reptiles, and amphibians all belong here. The backbone holds the body up and protects the nerve cord that runs down the back.
How do you know it is a with backbone?
A spine inside
Small bones join up to make a backbone.
You are one too
People have a backbone just like birds.
Five groups
Fish, amphibians, reptiles, birds, mammals.
It protects
The backbone shields the nerve cord.
Animals you may know
Sparrow
A bird
Cat
A mammal
Goldfish
A fish
Snake
A reptile
Frog
An amphibian
You
A human
Elephant
A big mammal
Dolphin
A mammal in the sea
Not the same!
Try this
Feel the bumpy line down the middle of your back. That is your backbone!