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Basics of Evolution
| Term | Definition |
|---|---|
| Evolution | a theory that the various kinds of plants and animals are descended from other kinds that lived in earlier times and that the differences are due to inherited changes that took place over many generations |
| Species | a class of things of the same kind and with the same name |
| Genes | a part of DNA or sometimes RNA that is usually located on a chromosome and that contains chemical information needed to make a particular protein trait |
| Survival of the fittest | a natural process in which individuals or groups best adapted to the conditions under which they live survive and produce young and poorly adapted forms are eliminated |