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eco evo test 1
| Question | Answer |
|---|---|
| what is evolution | genetically based change in a population or species over generations |
| what is darwinian evolution | heritable change in one or more characteristics of a species over time |
| theory of special creation | - all were created by the special being - each species is fixed, created perfectly, cannot be extinct - species do not change or evolve |
| what is descent with modification | species change over time, all life forms are related to each other and share common ancestry |
| 6 main evidences for evolution | fossils, homology , biogeography, observation, selective breeding, vestigial traits |
| 3 types of homology | structural, developmental, molecular |
| homology | similarity d/t inheritance of traits from a common ancestor |
| analogous structure | traits that are similar in organisms that evolved independently |
| developmental homology | embryos |