Killer Whales
Order & Genus. The scientific order of all types of whales is Cetacea. This large order is broken down into three further groups as well: the toothed whales or Odontoceti, which includes killer whales, dolphins, porpoises, beluga whales, and sperm whales, the baleen whales or Mysticeti, which include blue whales, humpback whales, gray whales, and right whales, and the Archaeoceti order, which are all now extinct. The genus of these species is Orcinus orca.Family. The killer whale is the largest in its family of delphinid. Bottlenose dolphins, common dolphins, and Pacific white-sided dolphins are included in this group as well. The scientific name for this family is Delphinidae. Fossil Record. Modern forms of both odontocetes and mysticetes can be seen in the fossil record of five to seven million years ago. Scientists believe that early whales arose about fifty-five to sixty-five million years ago from, now extinct, ancient land mammals that happened to venture back into the sea. Distribution. Killer whales can be found in all oceans of the world. They are the most numerous in the Arctic Ocean and the Antarctic. However, their distribution is limi
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Some common words found in the essay are:
Coloration Killer, Size Male, Classification Genus, Bering Sea, Migration Killer, Production Killer, Diving Killer, Hearing Killer, Structure Killer, Eyesight Killer, killer whales, killer whale, dorsal fin, marine mammals, tail flukes, pectoral flippers, dorsal surface, whales dolphins, killer whale distinct, surface head, single blowhole, killer whales eat, dense fibrous connective, fibrous connective tissue, sexually mature reach,
Approximate Word count = 1937
Approximate Pages = 8 (250 words per page double spaced)
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