1. Classifying Animals

2. Classifying • Group animals by similar characteristics • Including: what they look like, where they live, and what they eat. • Back bones, cold or warm blood, body covering, how they breath, live on land or in water, how they are born, and how they take care of their young.

3. Invertebrates • Include animals who do not have a backbone/spine. • Largest class • Earthworms, oysters, moths, spiders, insects

4. Vertebrates • Do have a backbone/spine • Include: fish, birds, reptiles, amphibians, mammals

5. Fish • Have scales, and a slimy coating on the outside of their body • They use gills to take oxygen from the water • They live in water • Have a back bone – vertebrates • Cold blooded – can not regulate their body temperature

6. Mammals • Have a backbone – Vertebrate • Breath in oxygen through lungs • Are warm blooded and can regulate their body temperature. • Give birth to live offspring • Mothers produce milk to feed young • Fur or Hair on their outer body • People, horses, dogs

7. Birds • Have a backbone – vertebrate • Body is covered with feathers – wings (not all birds can fly) • Use a beak to eat • Lay eggs covered in shells • Warm blooded

8. Amphibians • Live on water and on land • Breath through their skin • Cold blooded – can not regulate their body temperature • Have a backbone – vertebrates • Frogs, salamander

9. Reptiles • Live on land • Have a backbone – vertebrate • Breath using lungs • Covered in scales • Most lay eggs • Lizards, snaked, turtles • Cold blooded