Category Archives: Sex
FIRE CORAL REPRODUCTION
February 2007 You might think your lecturers know a lot of stuff. And so we do. But the stuff we don’t know is even more interesting. Liz Sheffield asked me whether fire corals (Millepora) have two multicellular phases of their life cycle with … Continue reading
Filed under Sex, Squidgy things
ADAPTIVE INBREEDING
February 2007 Species of Cichlid fishes showing biparental brood care also show a strong tendency to inbreeding, which is advantageous. Full details in this Current Biology article.
Filed under Conservation, Fish, Sex
DAWKINS ON PARTHENOGENETIC KOMODOS
February 2007 Following last week’s item about Chester’s parthenogenetic Komodo dragons, Andrew Sinnott (2nd yr) sent in this link, to a recent article by Richard Dawkins on the subject.
MORE WONDROUS SEA STUFF
January 2007 Superb trippy YouTube video (lasts nearly 6 minutes, it takes a bit of time to get into it, but it really is stunning). The science behind it all can be found here at the Tree of Life, and in this … Continue reading
Filed under Cephalopods, Sex, Videos
…BUT SEA HORSES NEED TWO TO TANGO
January 2007 Article in J Exp Biol shows that sea horses have external, not internal fertilization – and dimorphic sperm! There’s a lovely pic on the BBC website here.
Filed under Fish, Sex, Uncategorized
ARE TWO PENISES BETTER THAN ONE?
December 2006 Many animals (most of them invertebrates) have two penises. Earwigs show variability for penis number. This News and Views article from Nature explains why. Uni/Athens needed to get past abstract.
