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This is a Clilstore unit. You can link all words to dictionaries.

Vertebrate and invertebrate animals

Today we’re going to look at vertebrate animals.

As you know, we can classify animals in various ways, depending on the characteristics we look at. Today, we’re going to see some animals by the internal structure of their bodies.

According to this feature, we can classify them into: Vertebrate Animals, which have an internal skeleton, that means bones And Invertebrate Animals, like this worm, which has no backbone, in fact, no bones at all.

All vertebrate animals have an internal skeleton made up of bones. Bones are very strong, and give bodies their shape, they hold it up, nice and straight. The spine – the backbone – is made of a series of articulated pieces of bone, called the vertebrae, which allow the body to move in a certain way, and flexible. Vertebrate animals’ bodies are divided into the head, the torso, and the limbs. Yes, the head, the body, and the arms and legs. Some vertebrates are aquatic like these fish. Others are terrestrial like this bear. And other fly like this eagle.

Vertebrates can move in many different ways: walking, jumping, crawling, climbing and when they have running but sometimes it’s not enough. There are also many vertebrate animals that move by flying, like birds and bats. For example, these eagles, which unfortunately for the fox, are much faster than him.

Vertebrates are classified into five groups: Fish Reptiles Amphibians Birds Mammals

Activity 1: In pairs clasify those animals in vertebrates or invertebrates: Fish Protozoas Crustazeans Mammals Amphibians Insects Reptile

Activity 2: Choose a vertebrate animal and draw its skeleton. Find some similitudes and differences between what you drew and human skeleton.

Activity 3: By groups, divide your classmates dessigns in head, torso and limbs. If you want to, you can look at the video again to remember how to do it.

Clilstore Activity 1 answerActivity 2 possibilities

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