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Definition
| A characteristic that helps an organism survive in its enviroment |
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Definition
| The most specific of the seven levels of classification; characterized by a group of organisms that can mate with one another to produce fertile offspring |
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| The process by which populations accumulate inherited changes overtime |
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Definition
| The solidified remains or imprints of a once living organism |
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Definition
| A historical sequence of life indicated by fossils found in layers of the Earth's crust |
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Definition
| The remnant of a once- useful anatomical structure |
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Definition
| A distinguishing quality that can be passed from one generation to another |
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Definition
| The breeding of organisms that have a certain desired trait |
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Definition
| The process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without favorable trait |
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Definition
| A change in the order of the bases in and organisms DNA; deletion, insertion, substitution |
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Definition
| The period between the birth of one generation and the birth of the next generation |
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Definition
| The process by which two populations of the same species become so different that they can no longer inbreed |
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