Sample Essay on:
Animals Share Common Problems

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Essay / Research Paper Abstract

This 5 page paper provides an overview of the common problems shared by all animals. This paper provides an overview of some common problems and the way they are addressed by different animals. Bibliography lists 4 sources.

Page Count:

5 pages (~225 words per page)

File: MH11_MHAniHum.rtf

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in which the members of different phyla solve these problems differs significantly. In assess the different ways in which these problems are solved by different types of animals, it is beneficial to provide a comparative view of two different phyla, Arthropoda and Chordata, and specifically assess two different classes, Insecta and Vertebrata. By relating the different ways in which these problems are solved, it is possible to understand the variety of systems through which animals function and survive. Members of the phylum Arthropoda and the class Insecta constitute over a million different names species in the world, and scientists have suggested that there may be several times that number of other insects that remain unnamed (Myers (a), 2001). In fact, insects comprise the majority of species in the world (Myers (a), 2001). Because of the large number of insects and the varied types of insect species, there are a number of different ways in which insects obtain oxygen, exchange gases, and rid their body of wastes. Insects generally have a complete digestive tract system with mouth parts that often support a system of "breathing," or the exchange of gases through the tracheal system (Myers (a), 2001). Many insects have large external openings called spiracles and extensive branched tubules that bring the gases (oxygen) to metabolizing tissues and remove unwanted gases (carbon dioxide) (Myers (a), 2001). There are some forms of aquatic insects that exchange gases through the use of gills, much like fish in the Chordata phylum, or they may exchange gases through their body wall (Myers (a), 2001). The process through which nitrogenous gases are exchanged takes place through Malpighian tubules, and the expelling of waste products occurs through their complete digestive tract (Myers ...

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