Porifera. - Sponges reproduce by both asexual and sexual means. Most poriferans that reproduce by sexual means are hermaphroditic and produce eggs and sperm at different times. Sperm are frequently broadcast into the water column.ponges that reproduce asexually produce buds or, more often, gemmules, which are packets of several cells of various types inside a protective covering. Fresh water sponges of the Spongillidae often produce gemmules prior to winter. These then develop into adult sponges beginning the following spring.
Technical and Operational definition of the words cathedral, hunchback, king, sanctuary, parliament, recluse, and vagabonds. technical definition cathedral- serves as the central church of the diocese of a Christian church
caveat emptor. a warning of the limits of a particular agreement or statement She will be offered radiation treatment â with the caveat that the method has only around a 30% chance of success. Synonyms and related words. Limits, controls and ranges:red line, limit, constraint...