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Unit F Vocab
| Term | Definition |
|---|---|
| adaptation | Any inherited characteristic that increases an organism’s chance for survival and reproduction. |
| class | The usual major subdivision of a phylum or division in the classification of organisms, usually consisting of several orders. |
| classification | A process of grouping organisms into taxonomic levels based on shared characteristics and genetic relationships. |
| competition | Interaction between organisms or species using the same limited resources, such as food and living space. |
| DNA | Deoxyribonucleic acid; a long double-helical molecule, present in chromosomes, that contains the genes. |
| endangered species | A species that is in danger of becoming extinct due to loss of population or other threats. |
| environment | The physical, chemical, and living factors in an area. |
| evolution | The changes in species through time. |
| extinct / extinction | A species in which the last member dies without any surviving offspring. Extinction is the process of becoming extinct. |
| family | The usual major subdivision of an order or suborder in the classification of plants, animals, fungi, etc., usually consisting of several generaerations |
| fossil record | All of the information about past life that provides evidence about the history of life on Earth. |
| genes | A specific sequence of DNA that determines one or more traits. |
| mutation` | A change in the DNA of a gene that can lead to a different trait. |
| natural selection | certain traits that give them a better chance for survival and reproduction pass their traits on to the next generation at a greater rate than individuals with less adaptive traits |
| population | A group of the same species of organisms living in a specific location or habitat. |
| speciation | The formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other. |
| species | A group of organisms with similar characteristics and evolutionary history that can successfully reproduce. |
| trait | A specific version of a characteristic that varies from one individual to another. |
| variation | Differences in individuals of the same species. |
| vertebrates | An organism with a jointed backbone. |
Created by:
cpowalski85
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