Tuesday, April 13, 2004

Aschelminth, Reproduction and development

Most aschelminths are bisexual; the male inseminates the female during copulation so that she lays fertilized shelled eggs. In some cases, these eggs may have started to develop before being laid. Parthenogenesis, by which the female's eggs develop without fertilization, is common. In most rotifers (i.e., the order Monogononta) males are smaller and less frequent than


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