By Chris Barnard

ISBN-10: 0130899364

ISBN-13: 9780130899361

This publication presents a entire advent to the examine of behaviour, from its foundation within the animal¿s anatomy and body structure to its adaptive worth within the atmosphere. it truly is aimed toward undergraduate scholars within the organic sciences and psychology and is designed to function either an in depth creation and an in depth, up to date resource of reference permitting scholars to pursue subject matters within the fundamental literature.

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Extra resources for Animal behaviour : mechanism, development, function and evolution

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1, the four kinds of question are complementary answers to the question, not rivals for the truth. 1 forage selectively because active, nutritious prey are the ones they tend to detect rather than because they are attempting to forage efficiently. Why? Because efficient foraging is not some abstract property that exists independently of the shrew’s physical systems, it is the result of selection shaping those systems so they are likely to hit on nutritious prey rather than less nutritious ones. One effect therefore leads to the other; answers in terms of mechanism and function are not alternatives to each other.

If shrews chose prey that maximised their foraging efficiency in both cases, despite big differences in the nature and activity of the prey, it would again reinforce our confidence in the foraging efficiency hypothesis. Comparative studies may be experimental or observational so are not in any sense alternatives to the first two categories above. The key point is that existing ecological and putative evolutionary differences between species or populations provide a ready-made set of ‘treatments’ for comparison.

1961). 10 figure (i)b from ‘Selection for adult size in Coho salmon’, Canadian Journal of Fisheries and Aquatic Science, Vol. B. C. 1986) reproduced with permission of NRC Research Press. 2 courtesy of Marc Bekoff. 13 after ‘Outdoor sound propagation over ground of finite impedance’, Journal of the Acoustical Society of America, Vol. W. et al. 1976) reproduced with permission of the Acoustical Society of America. 9 reproduced with permission of H. Jane Brockmann. 3 vignette reproduced by permission of PA Photos.

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Animal behaviour : mechanism, development, function and evolution by Chris Barnard

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