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Titlebook: Environmental Stress and Behavioural Adaptation; John Davenport Book 1985 John Davenport 1985 adaptation.animals.aquatic animals.behavior.

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发表于 2025-3-21 17:09:20 | 显示全部楼层 |阅读模式
书目名称Environmental Stress and Behavioural Adaptation
编辑John Davenport
视频video
图书封面Titlebook: Environmental Stress and Behavioural Adaptation;  John Davenport Book 1985 John Davenport 1985 adaptation.animals.aquatic animals.behavior.
描述It is generally agreed that animal life originated in the sea and that adaptive radiation subsequently led to the colonisaHon of other environments - shores and estuaries, streams and lakes, bog, mountain and desert. In their invasion of these habitats animals left the equable, relatively stabl.e surroundings of the open sea and subjected themselves to the rigours of temperature fluctuations and extremes, a variety of ionic backgrounds, areas of depleted oxygen or the possibility of aerial exposure and potential desiccation. The spur for this radiation presumably lay in the prize of access to unexploited habitats and sources of energy. The survival of these more adventurous species has depended upon them evolving mechanisms to protect the integrity of their cellular constituents. Protoplasm can only exist within physiochemical limits which are quite narrow for each species. Water activity, salt and gas concentrations and temperature all have to be appropriate for enzyme­ catalysed processes to function properly within cells. Except in the open sea, environmental conditions regularly vary outside these limits. To take a familiar example; humans can only remain conscious (and hence f
出版日期Book 1985
关键词adaptation; animals; aquatic animals; behavior; desert; energy; environment; environmental stress; oxygen; po
版次1
doihttps://doi.org/10.1007/978-94-011-6073-5
isbn_softcover978-94-011-6075-9
isbn_ebook978-94-011-6073-5
copyrightJohn Davenport 1985
The information of publication is updating

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发表于 2025-3-21 20:21:49 | 显示全部楼层
Temperature,required to combat the possibility of freezing, while enzyme systems tend to become disrupted above 45°C. As is so often the case in biology there are a few exceptions to this general rule; volcanic pools with temperatures above 50°C often contain a thriving fauna, while some supercooled or glycerol
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发表于 2025-3-22 08:19:48 | 显示全部楼层
Oxygen Tension, the rapidity of gaseous diffusion makes the occurrence of significant oxygen gradients highly unlikely. In any case, even in a confined body of air such as that within a nest or burrow, rising carbon dioxide levels are likely to affect animals long before oxygen tensions become limiting. Animals li
发表于 2025-3-22 10:47:57 | 显示全部楼层
Desiccation, medium by air. These included (1) loss of physical support by the surrounding medium, (2) respiratory problems associated with the collapsible nature of aquatic gills exposed to air, (3) difficulties in the excretion of nitrogenous by-products of protein metabolism, (4) evaporative water loss, (5)
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发表于 2025-3-22 23:34:55 | 显示全部楼层
Book 1985shores and estuaries, streams and lakes, bog, mountain and desert. In their invasion of these habitats animals left the equable, relatively stabl.e surroundings of the open sea and subjected themselves to the rigours of temperature fluctuations and extremes, a variety of ionic backgrounds, areas of
发表于 2025-3-23 03:01:35 | 显示全部楼层
https://doi.org/10.1007/978-3-319-58136-1ls’ temperature ranges are far narrower than the overall limits given above. Even that adaptable tropical mammal, man, cannot survive indefinitely below about 15°C or above some 45°C without clothes, fire, shelter or considerable quantities of water.
发表于 2025-3-23 06:28:51 | 显示全部楼层
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