Cave Biology Life in Darkness by Aldemaro Romero

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By Aldemaro Romero

Biospeleology, the research of organisms that stay in caves, has a massive strength to notify many points of recent biology; but this region of information continues to be principally anchored in neo-Lamarckian perspectives of the wildlife in either its ways and jargon. Written for graduate scholars and educational researchers, this e-book offers a severe exam of present wisdom and ideas on cave biology, with emphasis on evolution, ecology, and conservation. Aldemaro Romero presents a historic research of principles that experience encouraged biospeleology, discusses evolutionary phenomena in caves, from cave colonization to phenotypic and genotypic alterations, and integrates ideas and information from various organic viewpoints. He demanding situations the normal knowledge in regards to the biology of caves, and highlights pressing questions that are meant to be addressed to be able to get a greater and extra whole realizing of caves as ecosystems.

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Thus for more than a decade American naturalists had to be content to engage in speculation about the cave fauna and their origin without the benefit of direct observation. In at least one instance, a person most interested in the issue was kept away forever. 47 He had been brought to the United States by Louis Agassiz in 1847 and had worked at the Smithsonian Institution until 1860. While there, he was given some specimens collected by a J. E. Younglove ‘from a well near Bowling Green, Ky’. He bestowed on those specimens a new species status, Typhlichthys subterraneus, which he included in the family Amblyopsidae (Girard 1859).

55 Although the first did not specifically study cave organisms, he adopted a pro-selectionist position in part because his teacher Jacob Henle56 (a very keen observer) had encouraged him to be suspicious of any ideas based on the idealistic Naturphilosophie. More explicit regarding cave fauna was Lankester, a comparative anatomist influenced by the German biologist Anton Dohrn57 (a student of Haeckel’s). Lankester wrote that a special kind of natural selection was responsible for blindness 54 55 56 57 b.

Geneva, 20 May 1793. 44 They both endorsed the idea of organic progress (Burkhardt 1977, pp. 83–4). For Bonnet God had a plan, but His divine role only took place at the beginning of the universe. For Bonnet there were always intermediate forms between species. e. that all organisms have a preformed ‘germ’ in the female germ cell. For him, all these preformed germs were there at the time of the beginning of the universe. He believed that the Earth had been affected by cataclysms (similar to Cuvier’s catastrophes) that had destroyed life several times over but then every time the ‘germs’ were reborn into better and more perfect (and complex) forms of life, culminating in a ‘paligenesis’ or resurrection as interpreted by the Christian gospel.

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