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Gr 3 SC Ch 3
World of Vertebrates
| Term | Definition |
|---|---|
| vertebrates | animals that have backbones |
| invertebrates | animals that do not have backbones |
| skeleton | the bones which form the framework of a body |
| warm-blooded | having a body temperature that stays just about the same no matter what the outside temperature is |
| cold-blooded | having a body temperature that changes with the outside temperature |
| 5 Classes of Vertebrates | mammals, fish, amphibians, reptiles, and birds |
| 5 ways all Mammals are alike: | 1. make milk 2. some hair 3. 4 (or less) limbs 4. warm-blooded 5. have lungs and breathe air |
| 3 ways all Fish are alike: | 1. have gills 2. have fins 3. cold-blooded |
| Gills | Fish use these to breathe |
| 4 ways all amphibians are alike: | 1. breathe with gills when born and with lungs on land later 2. smooth, moist skin 3. lay eggs 4. cold-blooded |
| 3 ways all Reptiles are alike: | 1. breathe with lungs 2. covered with dry scales 3. cold-blooded |
| 5 ways all Birds are alike: | 1. have feathers 2. have wings 3. have two legs 4. breathe with lungs 5. have bills or beaks |
| classify | to divide into groups or classes |
| A snake smells with its | tongue |
| A snake's eggs look and feel like | leather and rubber |
| Only animals that have feathers. | Birds |
| Insects are classified as: | Invertebrates |
Created by:
timberswartz05
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