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MMS Evolution
| Question | Answer |
|---|---|
| evolution | how species have changed over time - new species have descended from earlier species but have changed over long periods of time |
| natural selection | when species with certain traits are better able to survive and pass on their genes (have babies) because they are better adapted for survival (often called survival of the fittest) |
| adaptation | A trait that is inherited and increases an organisms change of survival (these can come from random mutations) |
| endangered species | a species that is in danger of becoming extinct because of decreasing population |
| extinct | when the last organism of a species dies off |
| fossil | part of an organism or an impression of an organism that lived in the past |
| Darwin | made observations about how species change and came up with the idea of natural selection |
| Lamarck | made observations about how species change and proposed the idea that animals can change over time by using their bodies differently (like giraffes stretching out their necks) |
| variation | any change in organisms of the same species (Example: cats with stripes and cats with spots) |
Created by:
cvanwyk
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