Evolution of cetaceans decreasing. Other historical climate events can be correlated and matched with the genome history of the Yangtze River dolphin as well. This shows how global and local climate change can drastically affect a genome, leading to changes in fitness, survival, and evolution of a species. The European population of common dolphins ("Delphinus delphis") in the Mediterranean have differentiated into two types: eastern and western. According to a 2012 study, this seems to be due to a recent bottleneck as well, which drastically decreased the size of the eastern Mediterranean population. Also, the lack of population structure between the western and
Creature (miniseries) Chase's headquarters (formerly the research facility where the creature was born). Dr. Macy reveals Dr. Chase studies why sharks do not get cancer, which his brother Brian died from. Meanwhile, the kids take turns jumping of the cliff, unaware the creature is lurking right below them. Max and another boy named Kimo jump in. The creature mauls Kimo to death, but Max escapes. When Kimo's body is found, the chief is furious and, no longer listening to Dr. Chase, orders all the fisherman to hunt for the great white. The islanders, including Puckett, accuse Chase and Macy of performing witchcraft