1. CLASSIFICATION

2. ANIMALS VERTEBRATES HAVE A SKELETON WITH bones, SPINAL COLUMN AND SKULL INVERTEBRATES DON´T HAVE INNER SKELETON WITH SPINAL COLUMN AND SKULL.THEY DON´T HAVE BONES.

3. ARE COMPOSED BY : MAMMALS THE MAJORITY ARE LAND ANIMALS THEY BREATHE OXYGEN USING THEIR LUNGS. THEY GIVE BIRTH TO LIVE YOUNG VIVIPAROUS THEY NURSE THEIR YOUNG WITH MILK THEIR SKIN IS COVERED WITH FUR OR HAIR EXCEPTIONS THE WHALE THE DOLPHIN VERTEBRATES

4. HOW DO MAMMALS MOVE? MOST USE LIMBS THEY HAVE FOUR LEGS THEY MOVE ON THE LAND HUMANS MOVE USING TWO LIMBS; OUR LEGS, BUT WE USE ALSO THE ARMS AQUATIC MAMMALS USE FINS SOME MAMMALS USE WINGS

5. WHAT DO MAMMALS EAT? CARNIVORESHERVIBORESOMNIVORES HAVE POINTED AND CANINE TEETH FOR TEARING THE MEAT Lion´s skull HAVE SHARP TEETH AND MANY MOLARS FOR CHEWING THE VEGETABLES Deer´s skull HAVE A MIXTURE OF POINTED TEETH, SHARP TEETH AND MOLARS Human´s skull

6. OVIPAROUS: THEIR YOUNG HATCH FROM EGGS THEY LIVE IN WATER THEY BREATHE USING THEIR GILLS THEIR LIMBS ARE FINS THEIR SKIN IS COVERED BY SCALES FISH

7. OVIPAROUS THEIR YOUNG HATCH FROM EGGS THEY LIVE IN WATER AND LAND THEY BREATHE THROUGH GILLS (TADPOLES) AND LUNGS (FROGS) TADPOLES MOVE WITH A FIN FROGS WITH LEGS. THEY HAVE BARE SKIN (they dont have hair and Fur) AMPHIBIANS

8. REPTILES THEY ARE TERRESTRIAL THEY BREATHE THROUGH LUNGS THEY COME FROM EGGS THE MAJORITY HAVE FOUR LEGS ARE COVERED BY SCALES

9. BIRDS THEY ARE TERRESTRIAL THEY BREATHE THROUGH LUNGS THEY COME FROM EGGS THEY HAVE TWO WINGS, WHICH USE TO FLY( THERE ARE EXCEPTIONS) THEIR SKIN IS COVERED WITH FEATHERS