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Science: Chapter 3
| Term | Definition |
|---|---|
| stimulus | something that causes a reaction in a living thing |
| classify | to arrange or sort by characteristics |
| vertebrates | animals with backbones |
| invertebrates | animals without backbones |
| instinct | a behavior that is inherited (from parents) |
| advantage | a characteristic that can help an individual compete |
| adaptation | a physical feature or behavior that helps an organism survive in its environment |
| inherit | to receive characteristics from an organism's parents |
| characteristics | the qualities an organism has |