Presentation Ic

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this presentation provides information for kids about animals catagories

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Presentation Ic

  1. 1. Vertebrates
  2. 2. Types of Vertebrates Amphibians Mammals Birds Fish Reptiles Birds Mammals Mammals Mammals Amphibians Amphibians Reptiles Mammals Mammals Amphibians Fish Birds Reptiles
  3. 3. Mammals
  4. 4. Features <ul><li>milk secreted from mammary glands </li></ul><ul><li>hair; conserves body heat permitting even tiny </li></ul><ul><li>mammals to be warm-blooded . </li></ul><ul><li>teeth specialized for cutting (incisors), tearing (canines) and grinding (molars) their food . </li></ul><ul><li>about 4,600 species living today . </li></ul>
  5. 5. Reptiles
  6. 6. Features <ul><li>a dry, water-impermeable skin </li></ul><ul><li>lungs inflated by expansion of the rib cage </li></ul><ul><li>a partial septum in the ventricle reducing the mixing of oxygenated and deoxygenated blood </li></ul>
  7. 7. Fish
  8. 8. Features <ul><li>Their fins are thin and supported by spines. </li></ul><ul><li>There are some 25,000 species. </li></ul><ul><li>They are an important part of the human diet in many areas of the world and, in affluent nations, support a large sports fishing industry. </li></ul>
  9. 9. Birds
  10. 10. Features <ul><li>hollow bones </li></ul><ul><li>a single gonad (in females), which becomes </li></ul><ul><li>enlarged and active only during the breeding season </li></ul><ul><li>no teeth (their function is replaced </li></ul><ul><li>by the gizzard) </li></ul><ul><li>powerful breast muscles attached to an enlarged </li></ul><ul><li>sternum </li></ul>
  11. 11. Amphibians
  12. 12. Features <ul><li>their skin is soft and moist so they are at risk of </li></ul><ul><li>desiccation in dry surroundings . </li></ul><ul><li>their eggs have no waterproof covering so… </li></ul><ul><ul><li>they must be laid in water </li></ul></ul><ul><ul><li>placed within the mother's body </li></ul></ul>
  13. 13. The End

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