Evolution
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12 terms
Terms | Definitions |
|---|---|
 evolution | change in organisms over long period of time |
| species | a group of organisms who have similar genes, have to be able to reproduce |
| population | organisms of one species who live in the same place at the same time |
| Lamark | Who thought that the enviroment caused an organism to change itself physically? |
| natural selection | the process by which nature selects organisms best adapted to a given environment at a particular time |
| Darwin | Who belived that there were variation and survival factors in a species? |
| reproduction | When an organism has adapted to its environment and passes on its genes |
| variation | changes or mutations within one species |
| gradualism | when a species split apart, the change is slow and steady |
| punctuated equilibrium | when a species split apart, the change has no change and rapid change repeatingly |
| Lamark | Who thought that all giraffes started with short necks? |
| Darwin | Who thought that giraffes had variations of short, medium, and long necks? |
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