Mating and Reproduction

Abstract

In general, polyclads are hermaphroditic having male and female reproductory organs. They copulate to engage in mutual cross-fertilization. Once, two adult worms of the same species meet a quite crude copulation act, which can be described as hypodermic insemination, is performed (upper images, Pseudoceros bifurcus). During copulation worms were observed to… (More)

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