2. Vertebrates

IDevice Icon 2. Vertebrates

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2.1.- Animal skeletons.

Vertebrates are animals with a skeleton. The skeleton is made up of bones. The bones are joined together to hold the body up. They protect it.

All vertebrates have a spinal column.



2.2.- Vertebrate bodies.

Vertebrate bodies have several parts:

  • The head. The skull protects the head.

  • The trunk. The spinal column, ribs, shoulders and hips are all in the trunk.

  • The limbs. The bones are long. Some vertebrates have legs. Other have wings or fins. Some vertebrates, like snakes, have no limbs.

  • The tail. This is an extension of the spinal column. There are very small vertebrae in the tail.


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2.1.- Animal skeletons.

Vertebrates are animals with a . The skeleton is made up of . The bones are joined together to hold the body up. They protect it.

All vertebrates have a .

 

2.2.- Vertebrate bodies.

Vertebrate bodies have several parts:

  • The . The skull protects the head.

  • The . The spinal column, ribs, shoulders and hips are all in the trunk.

  • The . The bones are long. Some vertebrates have legs. Other have wings or fins. Some vertebrates, like snakes, have no limbs.

  • The . This is an extension of the spinal column. There are very small vertebrae in the tail.

  

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Andrés Egea - Yolanda Marcos 2008