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    Components of a Tuna Sandwich and its Physiological and Ecological Relevance

    Number of Pages: 8

     

    Summary of the research paper:

    In eight pages this paper examines the various components which comprise a tuna sandwich in a breakdown according to evolution and ecology. Four sources are cited in the bibliography.

    Name of Research Paper File: AM2_PPfoodAn.rtf

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    Unformatted Sample Text from the Research Paper:
    Our understanding of the food we eat is often limited to its appearance and taste. Occasionally we may have a rough idea of  its nutritional value but seldom does that knowledge extend to more specific details. An example of the complexity of food will be presented in this brief outline of the  relative characteristics of the lowly tuna sandwich. When we first consider a tuna sandwich the most obvious feature is the tuna itself. Tuna, of course, is derived from  another living animal, the fish. Generically the fish is a creature of the water and humans are creatures of the earth. There are, however, many similarities between these  two very different organisms. Biochemically, for example, the fish is quite similar to humans in terms of the molecular makeup of  its bones and tissues. It tissues are composed of proteins, fats, carbohydrates, minerals and various vitamins just as is human tissue. This similarity, in fact, makes the fish good  food as we can easily incorporate these elements into our own body. There are numerous other aspects of the lowly tuna sandwich which are equally as fascinating in terms of  its makeup and relation to humans. Several of these aspects will be discussed in the remainder of this paper. While we  may think of the fish as far removed from humans on the evolutionary ladder, there are certain relationships which must be noted. Fish, after all, are believed by evolutionists  to be the evolutionary predecessor of higher animals. Vertebrates were thought to have originated in the oceans and migrated to freshwater (Forey and Janvier, 1994). Lampreys and hagfish 

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