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Ch4 L1
| Term | Definition |
|---|---|
| Homeostasis | to keep internal body conditions stable |
| Vertebrates | Animals that have backbones. |
| Invertebrates | animals without a backboan |
| Adaptations | things that allow animals to perform their funtions |
| 3 things all animals have in common | they are all multicellular, they are heterotrphos, and perform the same bassic funtions. |
| 4 futions of animals | obtain food and oxygen, homeostasis, move in some way, and reproduce |
| how are animals classified? 3 ways these relationships determened | how there related to other animals, animalsa body structures, way an animal develops, and its DNA |