| Term | Definition |
|---|
| Mutation | Permanent change in DNA |
| Charles Darwin | Developed the theory of Natural Selection |
| Organism | A living thing |
| Diversity | Differences or variations |
| Species | Organisms that share most of the same traits (DNA) |
| Environment | The surrounding factors of an organism |
| Paleontologist | A scientist that studies fossils |
| Adaptation | Anything that helps an organism survive in its environment |
| Evolution | A change in species over time |
| Camouflage | Coloring that helps an organism blend in to its environment |
| Natural Selection | Nature "selects" the organism best fit for its environment |
| Variation | Differences in one species from another |
| Population | All the individuals of one species in an area |
| Survival of the Fittest | Organisms best suited to the environment are more likely to survive |
| Overpopulation | Producing more offspring than can survive |
| Fossil | Any remains or trace of past life |
| Competition | Organism's struggle for food, space and mates |
| Sedimentary Rock | Rocks where fossils are often found. Formed by deposited rocks |
| Predators | An organism that preys upon another organism |
| Extinct | When all members of a species have died |
| Prey | An animal that is hunted |
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