There is an unacknowledged diversity of sexual reproduction in nature
There is an unacknowledged diversity of sexual reproduction in nature: " Welcome to the world of shelled sea-butterfly sex, in which the all-male population mate, store sperm, then change into females that fertilize themselves." From: Bipolar Disorder , by Gretel Erhlich a review of Lost Antarctica: Adventures in a Disappearing Land, James McClintock, Palgrave Macmillan. onearth, winter 2013 http://www.onearth.org/article/bipolar-disorder