Sample Essay on:
Killer Whales

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Essay / Research Paper Abstract

7 pages in length. The writer offers a comprehensive overview of the killer whale, including habitat, activity cycle, reproductive characteristics, unique adaptations and behaviors, social structure and threats to survival. Bibliography lists 5 sources.

Page Count:

7 pages (~225 words per page)

File: LM1_TLCwhale.doc

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Unformatted sample text from the term paper:

those who live within the decidedly colder polar ice regions. There are two separate subgroupings of killer whales when it comes to their mobility: residents and transients. The residents are those populations that stay within close boundaries of their primary habitat, while transients represent those groups that "move over great distances" (Anonymous, 1997, p. orca.htm). Between constantly searching out food and birthing offspring, there is little more to the activity cycle of the killer whale. II. REPRODUCTIVE CHARACTERISTICS Sexual maturity for killer whales closely mirrors that of their human counterparts; being that Orcas live close to the same life expectancy as people -- males, fifty to sixty years; females between eighty and ninety years -- it is not surprising to learn that some of their physiological characteristics are parallel. Killer whale gestation lasts for approximately fourteen months; at birth, calves are generally seven feet in length and weight four hundred and fifty pounds. While birthing twins is an infrequent event, it has been known to occur. The breeding period does not have any seasonal limitations inasmuch as Orcas are free to breed all throughout the year. When mating, the killer whales connect belly to belly in an underwater display of procreation (Anonymous, no date). III. UNIQUE ADAPTATIONS AND BEHAVIORS Killer whale behavior is unique to the Orca in that their somewhat vicious approach to feeding is not mimicked by any other whale. This could be in part because Orcas are really not whales at all; rather they are part of the dolphin family. People have long associated them with whales because of their massive size, but they are by far more predatory than any other whale in existence. The name Orca came from Spanish sailors who routinely observed ...

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