Free Cetacea Essays and Papers

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Free Cetacea Essays and Papers

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    Gray whale belongs to the order Cetacea and the mammal class. In the order Cetacea there are dolphins, whales, and porpoises, these animals are adapted for living life in the water. The Gray whale is one of the great migraters and may travel in groups called pods. Gray whales got their name because of their grey skin and white mottling on their skin. They are also covered with parasites that make them look like an ocean rock. In class we learned that in the Cetacea order they are warm-blooded,

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    How Whales Communicate

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    The decline of the dinosaurs brought the evolution of a new marine order know as Cetacea. Present day species of whales and dolphins began to emerge 10 million years ago. Of these 86 species that exist today, whales make up the majority of both the Odonotocetes and Mysticetes. These creatures are amongst the largest in the world and display an equally unique way of communicating with one another. Both baleen and toothed whales communicate utilizing sounds yet neither possess an external ear.

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    Whales Essay

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    ... middle of paper ... ...d chain, such as whales, are affected the most and carry the highest amount of toxins in their bodies. Over time these toxins can cause immune and reproductive disorders as well as chronic disease and death (Intro to Cetacea, no date). What we do affects the ocean environment, and all the living organisms inside of it. Whales are a forever evolving species in the ocean environment. What we do affects these magnificent creatures. The evolution from land dwelling creature

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    The Mammalian Nature of Whales

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    The Mammalian Nature of Whales There is a moment that comes to many of us as children; it’s a defining moment, a moment that takes us across the threshold from innocence to knowledge. It can be bittersweet, disillusioning, or perhaps revelatory for the child. It’s the moment when we learn that a whale is, in fact, not a fish, but a mammal. A mammal? We think. But how can that be? They’re—well, they should be fish. So what if they breathe air and nurse their young? A child hearing this may

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    examination, there are significant differences. Toothed whales and baleen whales can be classified in the domain Eukarya, the kingdom Animalia, the phylum Chordata (vertebrates), the class Mammalia (mammals), and the order Cetacea. Toothed whales and baleen whales belong to the order Cetacea (from the Greek word “Cetus” which means whale), which can be divided into three suborders: Mysticeti, Odontoceti, and Archaeoceti. Mysticeti, or baleen whales, include whales such as the Blue whale, Humpback whales

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    Essay On Beluga Whales

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    groups of 200 to 10,000 individuals. This happens sometimes during migrations. The scientific name for a Beluga whale Delphinapterus leucas (bing). The Beluga whales are classified as follows: Kingdom Animalia, Phylum Chordata, Class Mammalia, Order Cetacea, Family Monodontidae, Genus Delphinapterus, Species leucas. ) Beluga whales are one of the prettiest whales that scientist have every seen. One thing that most people don’t know about Belugas whales are that they eat 2.5% to 3% of their own body weight

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    The bottlenose dolphin, scientifically known as the Tursiops truncates, belongs to the kingdom, Animalia and the phylum, Chordata. The dolphin also falls under the Mammalia class. They are specifically classified in the order, Cetacea and the family, Delphinidae. This dolphin is most closely related to the Indo-Pacific bottlenose dolphin, or the Tursiops aduncus. This cousin of the bottlenose dolphin was originally grouped as the same species as the common bottlenose. However, now these dolphins

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    Differences Between Dolphins and Porpoises

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    The purpose of this paper is to distinguish the differences and similarities of Dolphins and Porpoises. "The term porpoise, whale and dolphin are often used interchangeably, but size (specifically length) is the criterion anatomists have generally used to apply the common name whale" (Dudzinski and Frohoff 2008). The paper will further seeks to identify unique characteristics that dolphins and porpoises possess and the manner in which they utilized these unique abilities to obtain food and survive

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    The killer whales are mammals. They have two common names the killer whale and the ocra. Killer whales inhabit most of the world’s oceans, going from warm waters to freezing cold waters (Monterey Aquarium). Not all of the killer whales are known because their are so many. Orca’s are very social and travel in pods. The whales usually stay with the same pods of whales as they travel. Ocras usually migrate with their food, and they also have seasonal migrations. (Sea World). The food they eat is

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    Essay On Narwhal

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    The narwhal is possibly greater than the Amazonian River Dolphin, mostly because Mackenzie chose the dolphin for the color of the animal, while I chose my animal, the narwhal, for the simple fact that it is the unicorn of the sea. The narwhal is a special and elusive animal that is rarely spotted, this might be because of their location or because of how few their numbers are, with the Narwhal population between 45,000 and 50,000 these elusive whales are few in numbers. The Narwhal is a fascinating

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