Sea otter

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    Sea Otter Research Paper

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    Enhydra Lutris or otherwise known as the Sea otter is an iconic species that embodies the rich diversity of ocean life. As one of the major groups of the weasel family, sea otters are also one of the smallest marine mammals. Unlike other mammals, such as whales and dolphins, Sea otters do not have blubber, instead they have one of the thickest and densest coat of fur. This fur coat holds up to almost one million hairs per square inch (Ravalli, 2010). With this amount of hair, the Sea Otter is able to maintain their body temperatures for optimal conditions within the forbidding ocean. Having such a fur coat the Sea otter inhabits regions located in the colder shallow coast of the Northern Pacific. They can be found in places such as Alaska,…

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    Sea Otters Research Paper

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    This report will be discussed on otters. It will describe the basic life of an otter. I will discuss All the types of otters then their diet, population, habitat, and where they live in the world. Then lastly there threats. Otters, including river otters, are the most aquatic members of the weasel family. They have short ,dense underfur, webbed feet and a slim, sinuous body. Both the ears and nostrils can be closed when The animals are underwater. There are many types of otters such as sea…

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    Sea Otters Research Paper

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    Sea otters are known as one of the largest members of the weasel family, Mustelidae, but are one of the smallest marine mammals. Unlike most marine mammals, who have blubber that serve as a thermal insulator, sea otters have fur. Their fur is one of the densest, softest furs in the animal kingdom--that is also water-resistant. They are omnivores with a diet consisting of crabs, abalone, sea stars, squid, sea urchins, sea worms and around 40 other bottom-dwelling invertebrates. Furthermore, to…

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    Sea Otters Pros And Cons

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    definition of a trophic cascade as an ecological phenomenon triggered by the addition, or removal of top predators and involving reciprocal changes in the relative populations of predator and prey through a food chain, which often results in dramatic changes in ecosystem structure and nutrient cycling (huffingtonpost.com).” For that reason, in today’s society we have witnessed numerous trophic cascades that occur all over the world, specifically sea otters, blue crabs, jaguars, and as we…

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    The text and the lecture are about reasons that caused sea otters declination. The text provide two reasons ro suppot the pollution theory of otters declining. However, the lecturer refutes this theoty and states that three reason is predator, ocra. First, the text says thata lot of sourses of chemical pollution are allonf the Alaskan coast. Thus the chemical pollution could cause immune system of sea otters and as a result to decline populatiion. However, the lecture says thatit it have not…

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    Sea Otter Decline

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    seemed the more likely cause for sea otter decline and provides three reasons of support. However, the professor states that predation hypothesis is the most likely cause of the sea otter decline and refutes each of the authors' reasons. First, the reading states that increasing in levels of chemicals could decrease the otters' resistance cause infections to life-threatening infections and death to sea otters. The professor opposes this point by saying that this point is weakened because…

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    The Missing Sea Otters

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    According to the article “Search for the Missing Sea Otters: An Ecological Detective Story” by Mary E. Allen and Mark L. Kuhlmann, the sea otter population has been decreasing at a rapid pace since the 1990’s in Aleutian, Alaska. This is demonstrated by article “What Could be the Cause of Decreasing Otter Numbers” which states that in 1997, the decline of the sea otter population had increased to about 90%. They hypothesize that the decrease in the sea otter population has been caused by their…

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    Sea Otters Essay

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    A keystone species play a far more important role than it’s relative abundance suggests. These species are the center pieces of their given communities and without them their ecosystem and habitat will fall apart. Keystones species are generally found in low numbers are often apex predators that control distribution and population, but are not limited to food sources, mutualistic species, and different providers. Some of these species are even ecosystem engineers that create or maintain habitats…

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    “It is estimated that the worldwide population of sea otters once numbered between several hundred thousand to over one million before being nearly hunted to extinction by fur traders in the 1700s and 1800s” (Defenders of Wildlife). There are only approximately 106,000 sea otters left. Due to fur trade in the early 1900s, there was once under 2,000 sea otters worldwide. Sea otters can possibly be represented as a poster child for reintroduction yet they still remain on the endangered list. There…

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    Sea Otter Population

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    The article explains that a sea otter population in Alaska started to decline rapidly because of pollution and attack from the predators and provides three reason of support. On the other hand, the professor states that predation is the most likely cause of the sea otters to decline and refutes each of the authors reason. First, The reading states that, the infections from pollution cause the sea otters to decline in Alaska oceans. However, The professors states that, sea otters are…

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