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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Evolution
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Magnetite Biomineralization and Magnetoreception in Organisms - A New Biomagnetism (Paperback, Softcover Repri)
Loot Price: R4,146
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Magnetite Biomineralization and Magnetoreception in Organisms - A New Biomagnetism (Paperback, Softcover Repri)
Series: Topics in Geobiology, 5
Expected to ship within 10 - 17 working days
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The mystery of how migrating animals find their way over unfamiliar
terrain has intrigued people for centuries, and has been the focus
of productive research in the biological sci ences for several
decades. Whether or not the earth's magnetic field had anything to
do with their navigational abilities has sufaced and been dismissed
several times, beginning at least in the mid to late 1800s. This
topic generally remained out of the mainstream of scientific
research for two reasons: (1) The apparent irreproducibility of
many of the be havioral experiments which were supposed to
demonstrate the existence of the magnetic sense; and (2) Perceived
theoretical difficulties which were encountered when biophysi cists
tried to understand how such a sensory system might operate.
However, during the mid to late 1960s as the science of ethology
(animal behavior) grew, it became clear from studies on bees and
birds that the geomagnetic field is used under a variety of
conditions. As more and more organisms were found to have similar
abilities, the problem shifted back to the question as to the basis
of this perception. Of the various schemes for trans ducing the
geomagnetic field to the nervous system which have been proposed,
the hy pothesis of magnetite-based magnetoreception discussed at
length in this volume has per haps the best potential for
explaining a wide range of these effects, even though this link is
as yet clear only in the case of magnetotactic bacteria."
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