"Unisexual" Quotes from Famous Books
 ... naturalists as a strange anomaly that, in the case of both animals and plants, species of the same family and even of the same genus, though agreeing closely with each other in almost their whole organisation, yet are not rarely, some of them hermaphrodites, and some of them unisexual. But if, in fact, all hermaphrodites do occasionally intercross with other individuals, the difference between hermaphrodites and unisexual species, as far as function is concerned, becomes ...
— On the Origin of Species by Means of Natural Selection • Charles Darwin
... CHAETODERMOMORPHA.—Aplacophora without distinct ventral groove, with single median unisexual gonad, with differentiated hepatic sac, and with cloacal chamber furnished with two bipectinate gills. There are only two genera in this suborder: Chaetoderma, and Limifossor from Alaska. The characters therefore are very uniform. The body is worm-like and cylindrical, the posterior half a ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various
... expert authority, says the oysters of Europe are unisexual, but in America, they are double-sexed. How could one be derived from the other? Even the oyster is too much for the evolutionist. The same argument applies to a great multitude of species, that have little or ...
— The Evolution Of Man Scientifically Disproved • William A. Williams
... Species,' however, I have given a short abstract of the reasons which induce me to believe that all organic beings occasionally cross, though perhaps in some cases only at long intervals of time.[192] I will here just recall the fact that many plants, though hermaphrodite in structure, are unisexual in function;—such as those called by C. K. Sprengel dichogamous, in which the pollen and stigma of the same flower are matured at different periods; or those called by me reciprocally dimorphic, in which the flower's ...
— The Variation of Animals and Plants Under Domestication, Volume II (of 2) • Charles Darwin
... The passage from the former to the latter transformation required numberless generations, during which the simple cell that issued from the earliest parent (the two in one), first developed into a bisexual being; and then the cell, becoming a regular egg, gave forth a unisexual creature. The Third Race mankind is the most mysterious of all the hitherto developed five Races. The mystery of the 'How' of the generation of the distinct sexes must, of course, be very obscure here, as it is the business of an embryologist and a specialist, ...
— The Story of Atlantis and the Lost Lemuria • W. Scott-Elliot |
