I WONDER - Do Turtles Have Bones?

The video explains that some creatures have exoskeletons, which are bones worn on the outside. Instead of teeth, they have beaks made of keratin, the same material as human fingernails. To maintain lightness, their bones are spongy and lightweight.

What is unique about the bones of certain animals?

• They are invisible.

• They are worn on the outside.

• They are located inside the body.

• They are made of metal.

What do these animals have instead of teeth?

• Fins

• Tusks

• Claws

• Beaks

What material are the beaks of these animals similar to?

• Glass

• Metal

• Human fingernails

• Wood

Why are the bones of these animals described as spongy?

• To make them heavier

• To help them float

• To make them stronger

• To keep them light

What is the benefit of having spongy and light bones?

• It makes them more colorful.

• It allows them to dig better.

• It helps them stay lightweight.

• It makes them more aggressive.