EAS 1540 Lecture Notes - Lecture 23: Toothed Whale, Rodhocetus, Basilosaurus
25 Aug 2016
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Document Summary
Whale evolution: pakicetus hoofed mammal is sometimes classi ed as the earliest whale. It lived around 53 million years ago (after the age of dinosaurs). It looked rather like a dog/wolf with hoofed feet and a long, thick tail. The special ear bone feature is a diagnostic for cetaceans and is found in no other species: ambulocetus ( walking whale ), rodhocetus, dorudon, basilosaurus, evolutionary divergence of baleen whales from toothed whales, odontocetes (toothed, mysticetes (baleen) Feeding modes: orca (killer) whale: odontocete, baleen whales they are not the cuddly creatures seaworld depicts them as. Noise pollution acoustic habitat: is no different than spatial habitat and must be preserved: noise pollution: is every bit as destructive as other forms of marine pollution. Whaling the international whaling commission (iwc) was set up under the terms of the icrw to make decisions on quota levels based on the ndings from the scienti c committee of the iwc.
