Titlebook: Invertebrate Biology; A Functional Approac P. Calow Book 1981 P. Calow 1981 adaptation.growth.invertebrates.physiology.science

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hat organisms are marvellously integrated systems with evolutionary pasts and ecological presents. This text is concerned exclusively with the second aim and assumes that the reader will already know something about the diversity and classification of invertebrates. Concepts of whole-organism functi

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Growth, increases in size and, as usual, to their adaptive significance. Ageing phenomena will also be discussed at the end of the chapter since the initiation of ageing has, for many years, been associated in the minds of biologists with the cessation of growth.

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Reproduction,dependent on reproductive success. Hence the process of reproduction is likely to bear the stamp of natural selection in a more obvious way than any other aspect of the functional biology of organisms.