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Biology Ch. 10
biology
| Question | Answer |
|---|---|
| Evolution | change in a species over time; process of biological change by which descendants come to differ from their ancestors |
| Species | group of organisms so similar to one another that they can breed and produce fertile offspring |
| Fossil | trace of an organism from the past |
| Catastrophism | theory that states that natural disasters and floods and volcanic eruptions shaped Earth's landforms and caused extinction of some species |
| Gradualism | principle that states that the changes in landforms result from slow changes over a long period of time |
| Uniformitarianism | theory that states that the geological processes that shape Earth are uniform through time |
| Variation | differences in physical traits of an individual from the group to which it belongs |
| Adaptation | inherited trait that is selected for over time because it allows organisms to better survive in their environment |