Answers are grounded in this paper and cite their sources.
John C. Francis, Reduction Body Formation and Subsequent Regeneration of Ephydatia fluviatilis (Porifera: Spongillidae) in Laboratory Culture, Transactions of the American Microscopical Society, Vol. 103, No. 4 (Oct., 1984), pp. 347-352
No takes yet. Share an insight, caveat, or question.
John C. Francis (1984) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: