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Animals
| Term | Definition |
|---|---|
| Vertebrates | Animals with bones |
| Invertebrates | Animals without bones |
| Ectotherms | Cold-blooded animals who get heat from their environment |
| Endotherms | Warm-blooded animals who can produce their own body heat |
| Mammals | Animals with fur or hair that produce milk for their young |
| Birds | Animals with feathers, 2 wings, 2 feet, and a beak that lay eggs and breathe with lungs |
| Reptiles | Animals that have scaled or plates, lay eggs, and breathe with lungs |
| Fish | Animals that have scales, lay eggs, and breathe with gills |
| Amphibians | Animals that lay jelly-like eggs, go through a metamorphosis, breathe with gills then lungs |
| Assymetry | There are no ways to split the animal to make mirror images |