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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Animal ecology
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Animal Life at Low Temperature (Paperback, Softcover reprint of the original 1st ed. 1992)
Loot Price: R4,547
Discovery Miles 45 470
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Animal Life at Low Temperature (Paperback, Softcover reprint of the original 1st ed. 1992)
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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."
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