B 1.2 - Vertebrates and invertebrates

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B1.2 - Vertebrates and Invertebrates

The Five Groups of Vertebrates :

  • Fish
  • Amphibians
  • Reptiles
  • Birds
  • Mammals

How do we group vertebrates?

1) The way they absorb oxygen for respiration

FISH have gils to take oxygen from water.
Young amphibians also have gills but adult amphibians usually have have LUNGS and can absorb oxygen through their moist


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