whale scraping off barnacles | blue whale c'est quoi Whale Whales are descendants of land-dwelling mammals of the artiodactyl buy (even-toed ungulates). They are linked to the Indohyus, an extinct chevrotain-like ungulate, from which they split approximately 48 , 000, 000 years ago.|19||20| Primitive cetaceans, or archaeocetes, first took to the sea about 49 million years ago to become fully aquatic 5-10 , 000, 000 years later. What becomes an archaeocete is the presence of anatomical features exclusive to cetaceans, alongside various other primitive features not present in modern cetaceans, such as obvious legs or asymmetrical pearly whites.|21||22||23||9| Their features started to be adapted for living in the marine environment. Major physiological changes included their ability to hear set-up that channeled heurt from the jaw to the earbone (Ambulocetus 49 mya), a streamlined body and the regarding flukes on the tail (Protocetus 4...
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