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Vertebrates have a backbone (or spine).
Backbone and spine are both common names for vertebral column.

Vertebrates have a skeleton inside them.
They have an internal skeleton made of bones.

Bones help give animals their shape – by Jared
How different skulls shape the animals they belong to.
Source | Fun Science Demos

vertebrates_wordle460

There are five classes of vertebrates:

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AnimalClassificationSheppardSoftware

Classes of vertebrates | Classification by Sheppard Software’s
)) amphibiansbirdsfishmammalsreptiles ((
What makes a vertebrate animal belong to one group or another?

The world of vertebrates – The Dr. Binocs Show
They all have a backbone.
That’s why they are called vertebrates.
Source | Peekaboo Kidz

Vertebrate animals
All they have an internal skeleton made up of bones.
Source | Happy Learning

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