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| Question | Answer |
| Speciation | Formation of a new species |
| Behavioral Isolation | occurs when populations have different courtship rituals or other behaviors involved in reproduction |
| Geographical Isolation | occurs when populations are separated by geographic barriers, such as mountains or rivers |
| Temporal Isolation | occurs when populations reproduce at different times |
| Geographical Isolation in Galapagos Finches | The population of finches on separate islands are geographically isolated from one another by the ocean |
| Behavioral Isolatation in Galapagos Finches | Big-beaked finches that prefer to mate with other big-beaked finches are behaviorally isolated from small-beaked birds living on the same island. |
| Speciation in Galapagos Finches | The finches probably flew from mainland to 2 islands. There might have been different food on the second island, such as seeds, which caused the big beaks to be favored. Over time, natural selection happened and caused a formation of a new species. |
| Reproductive Isolation | occurs when a population splits into two groups and the two populations no longer interbreed |
| Biological Species Concept | Reproduction is possible, offspring will survive and reproduce |
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