The New Encyclopædia Britannica, Volume 2Encyclopædia Britannica, 1992 - 32 pages |
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Page 232
... female . If the gland produces both sperm and eggs , either simultaneously or successively , the condi- tion is known as hermaphroditic . An individual , therefore , is male or female or hermaphrodite primarily according to the nature ...
... female . If the gland produces both sperm and eggs , either simultaneously or successively , the condi- tion is known as hermaphroditic . An individual , therefore , is male or female or hermaphrodite primarily according to the nature ...
Page 235
... female by means of claw- like appendages and depositing sperm at the openings of the oviducts , which are typically situated near the middle of the undersurface of the body . Mating modifications imposed by the land environment ...
... female by means of claw- like appendages and depositing sperm at the openings of the oviducts , which are typically situated near the middle of the undersurface of the body . Mating modifications imposed by the land environment ...
Page 238
... female . The manipulation of this control system is readily ac- complished during the special process of cell division that takes place in the gonads to produce sperm and eggs and their subsequent union at fertilization . In mammals ...
... female . The manipulation of this control system is readily ac- complished during the special process of cell division that takes place in the gonads to produce sperm and eggs and their subsequent union at fertilization . In mammals ...
Contents
SAN FRANCISCO | 1 |
SÃO PAULO | 6 |
SCANDINAVIAN LITERATURE | 10 |
Copyright | |
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activity ancient animals artists auditory axiom basilar membrane behaviour bipolar cells body brain bronze called canal carved cause central centre century changes chemical chemoreception classical cochlea colour cones cornea culture dreams early effect example female Figure frequency function Greek groups hair cells hearing hertz homosexual human important impulses increase individual influence inner ear insects kami later layer lens light literature male mammals mechanical Mechanoreception membrane millimetres modern movement muscle nature nerve fibres NREM occur odour olfactory optic organs outer percent period photoreceptor photoreceptor cells physiological pigment plays produced receptors relief REM sleep response retina rhabdom rhodopsin rods role Roman Rome São Paulo sculpture sense sensitivity sensory sexual Shakespeare Shinto Sikh skin slavery slaves social societies sound species statocyst stimulation structure studies style surface taste temperature theory tion types usually vertebrates vision visual women