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Animals chap 1 and 2
| Question | Answer |
|---|---|
| Homeostasis | condition in which organism's internal environment kept stable in sprite of changes to the environment |
| adaptation | inherited behavior or physical characteristics that helps organism survive |
| vertebrates | animal with backbone |
| invertebrates | animal without backbone |
| tissue | group of similar cells that perform a specific function |
| organ | body structure that is composed of different kinds of tissues |
| radial symmetry | more than one line of symmetry |
| bilateral symmetry | one line of symmetry |