1. Essential Natural Science 1 Unit 5 CONTENTS RESOURCES LINKS HOMERESOURCESLINKSCONTENTS CLOSEBACK

2. Essential Natural Science 1 Unit 5 Contents Vertebrates Characteristics Symmetry Classification Mammals Characteristics Classification Human beings Birds Characteristics Bird beaks Reptiles Characteristics Classification Amphibians Characteristics Metamorphosis Classification Fish Characteristics Classification H ands on Scientific diagram HOME CLOSEBACK HOMERESOURCESLINKSCONTENTS

3. Essential Natural Science 1 Unit 5 HOME What are vertebrates like? Symmetry What are mammals like? How are mammals classified? Human beings What are birds like? Bird beaks What are reptiles like? How are reptiles classifed? What are amphibians like? Metamorphosis How are amphibians classified? What are fish like? How are fish classified? Scientific diagram Resources CLOSEBACK HOMERESOURCESLINKSCONTENTS Animation: Vertebrates Links

4. Essential Natural Science 1 Unit 5 What are vertebrates like? trunk tail head limbs CLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE

5. Essential Natural Science 1 Unit 5 What are vertebrates like? spinal column trunk tail head brain limbs CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

6. Essential Natural Science 1 Unit 5 bilateral symmetry (vertebrate) Symmetry plane of symmetry planes of symmetry radial symmetry (some invertebrates) CLOSEBACK HOMERESOURCESLINKSCONTENTS

7. Essential Natural Science 1 Unit 5 Animation: Vertebrates CLOSEBACK HOMERESOURCESLINKSCONTENTS

8. Essential Natural Science 1 Unit 5 What are mammals like? ears neck articulated limbs tail trunk head fur mammary glands CLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE

9. Essential Natural Science 1 Unit 5 What are mammals like? ears necktail trunk head fur CLOSEBACK HOMERESOURCESLINKSCONTENTS spinal column GO BACK mammary glands articulated limbs

10. Essential Natural Science 1 Unit 5 How are mammals classified? MonotremesMarsupials Placentals CLOSEBACK HOMERESOURCESLINKSCONTENTS

11. Essential Natural Science 1 Unit 5 Human beings Classification CLOSEBACK HOMERESOURCESLINKSCONTENTS Kingdom: Animalia Species: sapiens Phylum: Chordata Class: Mammalia Order: Primates Family: Hominidae Genus: Homo

12. Essential Natural Science 1 Unit 5 What are birds like? beak neck legs wing feathers calamus rachis barbs CLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE

13. Essential Natural Science 1 Unit 5 What are birds like? spinal column beak neck legs wing feathers keel calamus rachis barbs CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

14. Essential Natural Science 1 Unit 5 Bird beaks Strong, curved beaks can tear flesh after prey is caught. Short beaks can capture insects in flight. Long, pointed beaks can find fish in shallow water. Wide, flat beaks can filter water to obtain food. Strong, short beaks can crack and open grain. CLOSEBACK HOMERESOURCESLINKSCONTENTS

15. Essential Natural Science 1 Unit 5 What are reptiles like? skin with scales tail legs Reptiles are oviparous. ENLARGE IMAGECLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE

16. Essential Natural Science 1 Unit 5 What are reptiles like? spinal column skin with scales tail legs Reptiles are oviparous. ENLARGE IMAGECLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

17. Essential Natural Science 1 Unit 5 embryo yolk sac amniotic fluid shell amnion CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

18. Essential Natural Science 1 Unit 5 SnakesLizards Turtles Crocodilians How are reptiles classified? CLOSEBACK HOMERESOURCESLINKSCONTENTS

19. Essential Natural Science 1 Unit 5 What are amphibians like? moist skin legs tail CLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE

20. Essential Natural Science 1 Unit 5 What are amphibians like? spinal column moist skin legs tail CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

21. Essential Natural Science 1 Unit 5 The metamorphosis of a frog CLOSEBACK HOMERESOURCESLINKSCONTENTS START

22. Essential Natural Science 1 Unit 5 The metamorphosis of a frog CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

23. Essential Natural Science 1 Unit 5 How are amphibians classified? CLOSEBACK HOMERESOURCESLINKSCONTENTS Anura: frogs, toads Urodela: salamanders, newts

24. Essential Natural Science 1 Unit 5 What are fish like? dorsal fin caudal fin pelvic fin operculum anal fin pectoral fin CLOSEBACK HOMERESOURCESLINKSCONTENTS SEE MORE lateral line system

25. Essential Natural Science 1 Unit 5 What are fish like? spinal column scales lateral line system dorsal fin caudal fin pelvic fin operculum anal fin pectoral fin CLOSEBACK HOMERESOURCESLINKSCONTENTS GO BACK

26. Essential Natural Science 1 Unit 5 How are fish classified? Bony fish CLOSEBACK HOMERESOURCESLINKSCONTENTS Cartilaginous fish

27. Essential Natural Science 1 Unit 5 Scientific diagram: diagram of a fish lateral line systemdorsal fin caudal fin pelvic fin operculum anal fin pectoral fin HOME CLOSEBACK HOMERESOURCESLINKSCONTENTS

28. Essential Natural Science 1 Unit 5 Links HOME GO TO WEBSITE CLOSEBACK HOMERESOURCESLINKSCONTENTS Science & Nature: Animals GO TO WEBSITE The Visual Dictionary: Animal Biology