Field experiments on sexuality in the freshwater sponge Spongilla lacustris. The control of oocyte production and the fate of unfertilized oocytes.
D000818:Animals; D005260:Female; D005618:Fresh Water; D008297:Male; D010063:Ovum / Q000166:cytology / Q000254:growth & development / Q000502:physiology*; D011161:Porifera / Q000502:physiology*; D013696:Temperature