Webblikely origins of cetaceans. In 1979, a team looking for fossils in northern Pakistan found what proved to be the oldest fossil whale. The fossil was officially named Pakicetus in … WebbBy the late Oligocene, the two modern lineages of cetaceans had evolved from archaeocete ancestors.Interestingly, the late Oligocene whale Aetiocetus, from Oregon, has skull and jaw features typical of baleen …

Section Practice Test 9 - TOEFL Reading

WebbTHE ORIGINS OF CETACEANS COMPILED BY TERRA NOVA READING PRACTICE SET S TERRANOVAMD.COM Directions: Read the passage and answer the questions. Give … Webb1 jan. 2001 · Evolutionary history of cetaceans: A review. In book: Secondary adaptation to life in the water. (pp.169-233) Chapter: Evolutionary history of cetaceans: a review. … pop up shelves kitchen

THE ORIGINS OF CETACEANS

WebbThe evolution of aquatic forms from terrestrial ancestors has been a reoccurring event in the history of the vertebrates. As these animals adapted to the aquatic environment, the … Webbultimately from Latin cetus whale, from Greek kētos First Known Use 1840, in the meaning defined above Time Traveler The first known use of cetacean was in 1840 See more … WebbThe Origins of Cetaceans. It should be obvious that cetaceans-whales, porpoises, and dolphins-are mammals. They breathe through lungs, not through gills, and give birth to live young. Their streamlined bodies, the absence of hind legs, and the presence of a fluke1 and blowhole2 cannot disguise their affinities with land dwelling mammals. sharon needles eating money