Titlebook: Endocrines and Osmoregulation; A Comparative Accoun P. J. Bentley Book 19701st edition Springer-Verlag Berlin Heidelberg 1970 Endokrinologi

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Bihung Narzary,Soumen Maji,Medalson Ronghangother make contact, either directly or with the aid of ions and metabolites, across the relatively narrow fluid-filled extracellular spaces. Interdependent cells in large animals may, however, be separated by distances of several metres, so that if appropriate coordination is to take place, special

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The Determinants of Development Costs,ta (egg-laying mammals), ninety to the order Marsupialia (typically undeveloped young kept in pouches), and the remainder are placentals. Monotremes are only known from the Australian region and are represented by the echidna and platypus. This order probably represents a separate line of mammalian

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https://doi.org/10.1007/978-981-13-6998-8ian-like ancestor. In those times they became the predominant tetrapod vertebrates, living not only on the dry land, but also in the fresh water of lakes and rivers, and in the sea. Four principal groups of reptiles have persisted to the present day. The Chelonia (turtles and tortoises) have changed

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https://doi.org/10.1007/978-1-4899-2192-5, as well as respiratory, change so that water and salt metabolism may be expected to be particularly varied and interesting. Both for these reasons, and the relatively free liaison between physiologists and amphibians, the group has received considerable scientific attention.

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Elevate Design-to-Cost Innovation Using TRIZhat predates the origin of tetrapods by some 200 million years. It is uncertain whether the transformation from an invertebrate ancester took place in fresh water or in the sea (see Page 35), but subsequently fish have adopted both of these environments, as well as inland lakes and springs where the

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Book 1977tury, to its loss, has tended to abandon utopian specu­ lation. We witness "a retreat from constructive thinking about the future in order to dig oneself into the trenches of the present. It is a ruthless elim­ ination of future-centered idealism by today-centered realism. We have lost the ability t