BIOB51H3 Lecture Notes - Lecture 4: Dna Replication, Myelin, Intron
22 Apr 2013
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Every species is not necessarily endemic even on these oceanic islands. Endemism among those organisms that are less likely to disperse. So the proportion of endemic species among organisms that have very low dispersal ability should be higher than those that can disperse more easily. Nihau = oldest island [has begun to erode and is smaller] So if you think of animals/plants landing on an island and then evolving there but also the probability of moving off the island [which is possible when these islands are so close together] There is prediction about what you would find here based on the order in which they would land on the islands: So the idea is that the more ancient lineages would probably would have landed on the oldest island [formed further in the past] And if there are migration events they would happen from one island to the next to the next! [in the temporal order in which they formed]
