Abstract
IN NATURE of October 13, p. 212, Mr. G. C. Robson discusses the application to molluscs of the present writer's suggestion that bisexuality in animals may be a direct physical result of a freely moving habit of life, and that hermaphroditism may be a direct physical result of a sedentary or sluggish mode of life. It was also suggested that it follows from this hypothesis that all sedentary or sluggish animals may be suspected of hermaphroditism where they are now supposed to be bisexual, especially in view of the fact that sex-change may be obscured by a rapid changeover of sex-characters such as we know takes place in the oyster.
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ORTON, J. Sex-Manifestations and Motion in Molluscs. Nature 108, 303–304 (1921). https://doi.org/10.1038/108303a0
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DOI: https://doi.org/10.1038/108303a0
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