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PSSA Vocab Unit 6
| Term | Definition |
|---|---|
| Evolution | Process of change that explains why what we see today is diff from what existed in past it includes change in the galaxies stars solar system earth & life on earth. Bio evolution is a change in hereditary characteristics of groups of organisms over gens |
| Extinction | The complete elimination of a species from the earth. |
| Endangered Species | A species that is in danger of extinction throughout all or a significant portion of its range. |
| Equilibrium | The ability of an ecosystem to maintain stability among its biological resources (e.g., forest, fisheries, crops) so that there is a steady optimum yield. |
| Sustainability | The ability to keep in existence or maintain. A sustainable ecosystem is one that can be maintained. |
| Succession | The series of changes that occur in an ecosystem with the passing of time. |