The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 129
... chemical sense , with different sensitivities for various chemicals , as measured by the lowest concentrations ( thresholds ) of chemicals that can be received . Terrestrial invertebrates , particularly insects , do exhibit separable ...
... chemical sense , with different sensitivities for various chemicals , as measured by the lowest concentrations ( thresholds ) of chemicals that can be received . Terrestrial invertebrates , particularly insects , do exhibit separable ...
Page 131
... chemicals ) , or they may be functionally differentiated although struc- turally they appear to be identical . Reports of studies of chemical reactions among echino- derms are few and spotty . These animals respond posi- tively to ...
... chemicals ) , or they may be functionally differentiated although struc- turally they appear to be identical . Reports of studies of chemical reactions among echino- derms are few and spotty . These animals respond posi- tively to ...
Page 139
... chemical reception among birds . There is growing evidence that chemoreceptors are well devel- oped in at least some birds . The receptors are well - known : taste buds on the tongue and olfactory epithelium in a rather uncomplicated ...
... chemical reception among birds . There is growing evidence that chemoreceptors are well devel- oped in at least some birds . The receptors are well - known : taste buds on the tongue and olfactory epithelium in a rather uncomplicated ...
Contents
SÃO PAULO | 3 |
SCANDINAVIAN LITERATURE | 10 |
The History of SCIENCE | 32 |
Copyright | |
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19th century activity ancient animals anthropology auditory axiom basilar membrane behaviour body brain bronze called canal carved cause central centre changes chemical chemoreception classical cochlea colour cones cornea culture dreams early effects example female Figure frequency function Greek groups hair cells hearing hertz homosexual human important impulses individual influence inner ear insects later layer lens light literature male mammals mechanical Mechanoreception millimetres modern movement muscle nature nerve fibres NREM occurs odour olfactory optic organs outer period photoreceptor photoreceptor cells physiological pigment plays produced receptors reissued relief REM sleep response result retina rhabdom rods Roman Rome São Paulo sculpture sense sensitivity sensory sexual Shakespeare Shinto Sikh skin slavery slaves social sciences society sociology sound species statocyst stimulation structure style surface taste temperature theory tion tympanic membrane types usually vertebrates vibrations vision visual