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Carregando... Integrated Principles of Zoologyde Cleveland P. Hickman
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Integrated Principles of Zoology 16th edition emphasises the central role of evolution in generating diversity, this best-selling text describes animal life and the fascinating adaptations that enable animals to inhabit so many ecological niches. Featuring high quality illustrations and photographs set within an engaging narrative, Integrated Principles of Zoology is considered the standard by which other texts are measured. With its comprehensive coverage of biological and zoological principles, mechanisms of evolution, diversity, physiology, and ecology, organised into five parts for easy access, this text is suitable for one or two-semester introductory courses. Não foram encontradas descrições de bibliotecas. |
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Google Books — Carregando... GênerosClassificação decimal de Dewey (CDD)590Natural sciences and mathematics Zoology ZoologyClassificação da Biblioteca do Congresso dos E.U.A. (LCC)AvaliaçãoMédia:
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Since my personal interests are mostly taxonomic, a couple of items were big news, due to the advent of molecular classification:
Myxozoans, an intercellular fish parasite, turn out to be cnidarians. When first discovered these things were thought to be protists – then somebody noticed they were multicellular (AFAIK the smallest multicellular organism known); then it was assumed they were acoelomate worms – which, AFAIK, are the only other multicellular intercellular parasites (flukes). But molecular taxonomy groups them with cnidarians. Intercellular parasitic jellyfish – who knew?
Then, on the same theme of taxonomic surprise, pentastomids (tongueworms – because they supposedly look like tongues; they’re actually respiratory parasites) turned out to be branchiurid crustaceans. It was long thought pentastomids were related to arthropods , although they were generally put in their own phylum, but not only are they arthropods, they’re crustaceans, and can actually be pinned down to the subclass level.
And for a final surprise, Hexapoda and Crustracea turn out to be sister groups. This is a real body blow to traditional phyletic taxonomy; the former big divisions among arthropods were Chelicerata versus Mandibulata, then Mandibulata was subdivided between Uniramia (Hexapod plus Myriopoda) and Crustacea. The key here was the biramous versus uniramous appendages; Crustaceans are biramous, with the appendages (even the antenna) split into two parts, one which is usually used for feeding and respiration and one for walking, while the uniramians have only one part to the appendages. This was assumed to be a primitive division; it turns out not to be. How about that?
Thus very enlightening. The book was supposed to come with a CD that had all sorts of cool zoology software – but it was missing; well, what do you want for $1? Lots of excellent illustrations, good index and glossary; just the thing for the enthusiastic amateur. ( )