Unit 2- Req. of Life Matching
| Traits that are inherited over long periods of time that help living things survive. |
| Another word for homeostasis. It means something that changes as it stays the same. |
| The sum of all chemical reactions in an organism. |
| The process of growing old- results in an organism's body or cells no longer working correctly |
| This is the primary energy source for living things on earth (directly or indirectly) |
| The start of an organism's life span. |
| The harmful leftovers from our metabolism that must be removed from the body. |
| the ability to move from place to place. NOT a requirement of life! |
| The process of becoming more advanced and complex over time |
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