By David M. Williams, Visit Amazon's Malte C. Ebach Page, search results, Learn about Author Central, Malte C. Ebach, , G. Nelson
Anyone drawn to comparative biology or the heritage of technological know-how will locate this myth-busting paintings really attention-grabbing. It attracts consciousness to the seminal stories and significant advances that experience formed systematic and biogeographic pondering. It strains recommendations in homology and category from the nineteenth century to the current throughout the provision of a distinct anthology of medical writings from Goethe, Agassiz, Owen, Naef, Zangerl and Nelson, between others.
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Extra info for Foundations of Systematics and Biogeography
Consider the act of comparing a cat with a dog. The observer immediately relates both “objects” and their qualities as “catness” and “dogness”. Despite their differences, cats and dogs share many characteristics in common. It is, of course, possible to compare any two objects, listing how they are the same and how they differ. The list gains meaning only when a third object is introduced to compare the qualities of the relationships. Comparing a cat with a dog, for example, requires the introduction of a third creature to act not just as a reference point but also as a standard with which to orient the comparisons.
One might understand contemporary comment (Brummitt 2003) more readily when views such as the following are kept in mind: The cladogram, in effect, satisfies the concern about futile theorizing . . [as most of that effort] belongs to the three-step process of deriving a tree from a cladogram. 9 after Rosa (1918: 137–138, 1931: 174–175, reproduced in Croizat 1976: 825, Lam. 72, Fig. 165A; Nelson & Platnick 1981:325, Fig. 34; Luzzatto et al. 1997: Fig. 2; Luzzatto et al. 2000: Fig. 2; Vergata 2001: 239–240 and Nelson et al.
Regardless of their source, new data are always welcome. The second option above deals directly with the issue of re-investigating characters already known—or characters assumed to be known—to verify or confirm their internal consistency. Thus, many comparative biologists are occupied with the same question: Is this identified “part” of one organism really the same as that “part” in another organism? A recent example is the “parts” of turtles (Lee 1996, 1997, Rieppel 1996, DeBraga & Rieppel 1997; see Vickaryous & Hall 2006).
Foundations of Systematics and Biogeography by David M. Williams, Visit Amazon's Malte C. Ebach Page, search results, Learn about Author Central, Malte C. Ebach, , G. Nelson