1. VERTEBRATES

2. Characteristics of Vertebrates

3. VERTEBRATES The main characteristics are:
Internal skeleton with spine.

4. VERTEBRATES
They have three parts or regions: head, torso and tail.

5. VERTEBRATES
The torso has four extremities which can be paws, wings and fins.

6. VERTEBRATES
Their nervous system has an encephalon (brain) and a spinal cord. The encephalon is placed inside the skull and the spinal cord is placed inside the spine.

7. VERTEBRATES
Sense organs are placed inside the head

8. VERTEBRATES
Some characteristics of fish are:

9. VERTEBRATES
Their skin has scales.

10. VERTEBRATES
Their extremities are fins

11. VERTEBRATES
Fish have gills

12. VERTEBRATES
Some characteristics of Amphibians are:

13. VERTEBRATES
Their skin is always moist

14. VERTEBRATES
They have four extremities

15. VERTEBRATES
They breathe using gills, lungs and skin.

16. VERTEBRATES
Some characteristics of Reptiles are:

17. VERTEBRATES
Their skin is dry and strong, it has scales.

18. VERTEBRATES
They have four legs, which they use to run, climb and swim. Snakes don't have legs so they slither to move around.

19. VERTEBRATES
Reptiles are cold-blooded

20. VERTEBRATES
They lay eggs

21. VERTEBRATES
Some of them have glands that produce venom to kill their prey.

22. VERTEBRATES
Characteristics of Birds :

23. VERTEBRATES
Birds don't have teeth, they have a beak

24. VERTEBRATES
Their front legs become wings.

25. VERTEBRATES
Their bodies are feathered

26. VERTEBRATES
They are hot-blooded (endothermic).

27. VERTEBRATES
They breathe with lungs

28. VERTEBRATES
They lay eggs with shells

29. VERTEBRATES
Characteristics of Mammals :

30. VERTEBRATES
They are warm blooded (endothermic): they can maintain a constant body temperature.

31. VERTEBRATES
They have hair

32. VERTEBRATES
They have sudoriferous (sweat) glands

33. VERTEBRATES
They have mammary (milk-secreting) glands. They produce milk to feed their young.

34. VERTEBRATES
They have different types of teeth

35. VERTEBRATES
They give birth to live young and provide protection and care for them before and after birth.