species that solely rely on asexual reproduction can be compared to gamblers investing money in stocks - by placing everything onto one card they expose themselves to an extreme risk of loosing the entire investment;
p.177; in ....
Richmond R.H.; 1997; Reproduction and Recruitment in Corals: Critical Links in the Persistence of Reefs; in Birkeland C. (ed.); Life and Death of Coral Reefs; Chapman and Hall London - UK;