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Five Animals with Backbones

Fish, frogs, lizards, birds and mammals all have a skeleton inside their bodies. A main part of that skeleton is the backbone, which runs along the back.

In the picture

  1. A fish’s backbone: a line of small bones along its back.
  2. A frog’s backbone: a line of small bones along its back.
  3. A lizard’s backbone: a line of small bones along its back.
  4. A fox’s backbone: a line of small bones along its back.

Examples

  • A pet dog has a backbone inside its body.
  • A goldfish has a backbone inside its body.

Quiz: Five Animals with Backbones (Age 10)

  1. Which groups of animals have a backbone?

    • Only birds and mammals
    • Only animals that live in water
    • Fish, amphibians, reptiles, birds, and mammals
  2. The backbone is part of what?

    • A layer of skin
    • An internal skeleton
    • A hard outer shell
  3. Where does the backbone run?

    • Along the back
    • On the outside of the body
    • Inside the head

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Animals, Age 10