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VERTEBRATES They have backbone/skeleton The body is divided in: head, trunk and limbs (except snakes) There are five groups of vertebrates: 1.Fish 2.Amphibians.

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Presentation on theme: "VERTEBRATES They have backbone/skeleton The body is divided in: head, trunk and limbs (except snakes) There are five groups of vertebrates: 1.Fish 2.Amphibians."— Presentation transcript:

1 VERTEBRATES They have backbone/skeleton The body is divided in: head, trunk and limbs (except snakes) There are five groups of vertebrates: 1.Fish 2.Amphibians 3.Reptiles 4.Birds 5.Mammals

2 Fish headtrunkfinstail They have: head, trunk, fins and tail scales The body is covered with scales They live in water (oceans or fresh water) They breathe through gills They are oviparous cold blooded They are cold blooded gas/air bladder They have gas/air bladder There are two groups: Cartilaginous (Sharks and rays): the skeleton is not made of bone, only teeth are bony. The fins are fleshy.Live mainly in the ocean Bony : they have thin fins

3 Amphibians They have: head, trunk and 4 legs (some have tails) The skin is wet and have no scales When babies they live in water and breathe through gills. As adults they live on land and breathe through lungs. This change is called metamorphosis They are oviparous They are cold blooded

4 Reptiles headtrunklimbstail They have: head, trunk, limbs (4 legs, except snakes) and tail Their body is usually covered with hard scales or a shell landwater Most live an land but some live in water oviparous They are oviparous cold blooded They are cold blooded lungs They breathe through lungs There are four groups: 1.crocodiles 2.lizards 3.snakes 4.turtles

5 Birds headlimbstail They have: head, trunk, limbs(2 legs & 2 wings) and tail feathers Their body is covered with feathers oviparous They are oviparous warm blooded They are warm blooded lungs They breathe trough lungs hollow They have hollow bones

6 Mammals headtrunklimbs They have: head, trunk and limbs hairfur Their body is covered with hair or fur viviparousmilkmothers They are viviparous. Babies drink milk from their mothers warm blooded They are warm blooded lungs They breathe through lungs


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