1. Animals with backbones
VERTEBRATES
Animals with backbones

2. Animals with backbones or vertebrates are classified into 5 subgroups
Animals with backbones or vertebrates are classified into 5 subgroups. Fish is the largest of vertebrates.

3. FISH Breathe through a set of gills Covered with hard scales
Reproduce by laying soft, non-shelled eggs
Cold blooded

4. FISH

5. Amphibians Breathe through gills while young
Develop and breath through lungs as adults
Covered in skin
Lay soft shelled eggs
Cold blooded
Include frogs, salamanders, toads

6. Salamander

7. SALAMANDER

8. FROGS

9. REPTILES They have lungs Covered with Scales Lay hard shelled eggs
Cold blooded
Some have shells
Lizards, snakes, turtles, crocodiles, alligators

10. Alligators and Crocodiles

11. Turtles and lizards

12. SNAKES

13. BIRDS Have lungs Have feathers Lay hard shelled eggs Warm Blooded
Light hollow bones

14. BIRD

15. OSTRICH

16. MAMMALS Have lungs Have hair or fur Have live births Produce milk
Warm blooded

17. MAMMALS

18. BOTTLED NOSE DOLPHIN

19. WHALES