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Animal Life At Low Temperature
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Book Synopsis Animal Life at Low Temperature by : John Davenport
Download or read book Animal Life at Low Temperature written by John Davenport and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: To humans, cold has a distinctly positive quality. 'Frostbite', 'a nip in the air', 'biting cold', all express the concept of cold as an entity which attacks the body, numbing and damaging it in the process. Probably the richness of descriptive English in this area stems from the early experiences of a group of essentially tropical apes, making their living on a cold and windswept island group half way between the Equator and the Arctic. During a scientific education we soon learn that there is no such thing as cold, only an absence of heat. Cold does not invade us; heat simply deserts. Later still we come to appreciate that temperature is a reflection of kinetic energy, and that the quantity of kinetic energy in a system is determined by the speed of molecular movement. Despite this realization, it is difficult to abandon the sensible prejudices of palaeolithic Homo sapiens shivering in his huts and caves. For example; appreciating that a polar bear is probably as comfortable when swimming from ice floe to ice floe as we are when swimming in the summer Mediterranean is not easy; understanding the thermal sensa tions of a 'cold-blooded' earthworm virtually impossible. We must always be wary of an anthropocentric attitude when considering the effects of cold on other species.
Book Synopsis Davenport J Animal Life at Low Temperature by : The Council for Museums, Archives & Libraries
Download or read book Davenport J Animal Life at Low Temperature written by The Council for Museums, Archives & Libraries and published by . This book was released on 1991-07-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature Biology of Animals by : Andrew Cossins
Download or read book Temperature Biology of Animals written by Andrew Cossins and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Temperature is one facet in the mosaic of physical and biotic factors that describes the niche of an animal. Ofthe physical factors it is ecologically the most important. for it is a factor that is all-pervasive and one that. in most environments. lacks spatial or temporal constancy. Evolution has produced a wide variety of adaptive strategies and tactics to exploit or deal with this variable environmental factor. The ease with which temperature can be measured. and controlled experimentally. together with its widespread influence on the affairs of animals. has understandably led to a large. dispersed literature. In spite of this no recent book provides a comprehensive treatment of the biology of animals in relation to temperature. Our intention in writing this book was to fill that gap. We hope we have provided a modern statement with a critical synthesis of this diverse field. which will be suitable and stimulating for both advanced undergraduate and post graduate students of biology. This book is emphatically not intended as a monographical review. as thermal biology is such a diverse. developed discipline that it could not be encompassed within the confines of a book of this size.
Book Synopsis Effect of Environment on Nutrient Requirements of Domestic Animals by : National Research Council
Download or read book Effect of Environment on Nutrient Requirements of Domestic Animals written by National Research Council and published by National Academies Press. This book was released on 1981-02-01 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Natural Conditions of Existence as They Affect Animal Life by : Carl Semper
Download or read book The Natural Conditions of Existence as They Affect Animal Life written by Carl Semper and published by . This book was released on 1881 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Animal Life as Affected by the Natural Conditions of Existence by : Carl Semper
Download or read book Animal Life as Affected by the Natural Conditions of Existence written by Carl Semper and published by . This book was released on 1881 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptations in the Animal Kingdom by : Verne A. Simon
Download or read book Adaptations in the Animal Kingdom written by Verne A. Simon and published by Xlibris Corporation. This book was released on 2010-03-11 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chapter 1 Temperature Regulation in Animals There are, broadly speaking, two kinds of animals with regard to body temperature: exothermic (cold-blooded) and endothermic (warm-blooded) animals. The exothermic animals, such as reptiles, do not supply body heat by metabolic conversion of food to heat. Reptiles allow their surroundings to determine their body temperature. They lie out in the sun to warm their body. If they are too hot, they seek the shade or even burrow into the ground. At night they hide from the cold in burrows or squeeze into cracks between rocks or hide in leaf cover. Reptiles avoid the extremes of temperature. When reptiles become cool, their movements slow down, and chemical processes in their bodies, such as digestion, are inhibited. Predators, such as hawks and eagles, find it easier to prey on lizards and snakes in cooler weather. The distribution of reptiles is somewhat limited by their exothermic character. They do not thrive in cold climates1. What are the advantages and disadvantages in being exothermic? When the lizard is in a cool environment and cannot find a warmer spot, its body simply cools to the temperature of the surroundings. It is not necessary for the exothermic lizard to generate heat to increase its body temperature. This means that the lizard uses less energy and does not have to eat as much. As the lizard cools its digestion, breathing rate and heart rate slow, saving energy. A disadvantage occurs when the cool lizard is attacked by a predator. If warm, he could run fast and have a much better chance of 1 St. Patrick did not chase the snakes out of Ireland. Ireland was already completely free of snakes. St. Patrick was instrumental in converting pagans to Christianity. Since the snake was a symbol used in pagan rituals, St. Patrick was influential in ridding Ireland of the ritual use of symbolic snakes. 10 Verne A. Simon evading capture. A warm lizard being chased by a predator can move quite fast for a short distance, but like other exotherms, lacks endurance and soon tires. When the exotherm is running fast, its effort is anaerobic, that is, is not using oxygen, and lactic acid is building up in its body. It soon tires and is unable to exert itself. It must recover by taking in oxygen to rid the body of lactic acid. Another disadvantage of exothermic life is that cold climates are not available as habitat. If there is a sudden climate change, an exothermic animal wouldn't be able to mount the sustained effort needed to migrate to a better environment. The exothermic creature might simply perish. About 180 million years ago, mammals appeared. Mammals are endothermic (warm-blooded) and are able to maintain a nearly constant body temperature regardless of the temperature of their surroundings within wide limits. Their bodies will not tolerate too high or too low a temperature. If the surroundings are too hot or cold, causing the body temperature to exceed allowed limits, the animal will die. Mammals have furry coats to help them tolerate low temperatures. Sea-dwelling mammals-whales, seals, and walrus-have thick layers of blubber for insulation. Birds are endothermic and have feathers to protect them from the cold. Many types of birds and mammals survive in cold climates. Emperor penguins even live in the Antarctic, in the coldest climate on earth. Under normal circumstances, mammals and birds manage to keep this very nearly constant body temperature regardless of the temperature of their surroundings. Mammals are characterized by having body hair and suckling their young. This latter behavior gives the class its name; mammals must have mammary glands. A second advantage is that endothermic animals are not limited to activity only in daylight hours. In many locat
Book Synopsis Temperature and Animal Life by : Richard N. Hardy
Download or read book Temperature and Animal Life written by Richard N. Hardy and published by Hodder Education. This book was released on 1972 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Juggling with animal life by : Henry Smith Williams
Download or read book Juggling with animal life written by Henry Smith Williams and published by . This book was released on 1923 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Archives of Surgery written by and published by . This book was released on 1925 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life in the Cold by : Peter J. Marchand
Download or read book Life in the Cold written by Peter J. Marchand and published by UPNE. This book was released on 2000-10-03 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: A third edition of a classic work on cold climate ecosystems, updated with a new chapter on mammals and birds.
Book Synopsis English Mechanic and World of Science by :
Download or read book English Mechanic and World of Science written by and published by . This book was released on 1873 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book School Education written by and published by . This book was released on 1900 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Composition of Expired Air and Its Effects Upon Animal Life by : John Shaw Billings
Download or read book The Composition of Expired Air and Its Effects Upon Animal Life written by John Shaw Billings and published by . This book was released on 1895 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature and Animal Life by : Richard Neville Hardy
Download or read book Temperature and Animal Life written by Richard Neville Hardy and published by . This book was released on 1979-01-01 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions of the Section on Orthopedic Surgery of the American Medical Association by :
Download or read book Transactions of the Section on Orthopedic Surgery of the American Medical Association written by and published by . This book was released on 1923 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Public health problems by : Frederick Joseph Sykes
Download or read book Public health problems written by Frederick Joseph Sykes and published by . This book was released on 1892 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
