Sam says << ... it can only be through many fortuitous iterations of a given behaviour, resulting in a statistically greater number of individuals surviving to pass on their genes, that the behaviour in question may become 'incorporated' in that species' genetic package to be passed on, ...>>

True, but it is, of course these adventitious 'advantages' which make the individuals more likely to survive, prosper, and see off rivals in the mating process, which makes it more likely that those genetic advantages do get passed on.

Now - back to the thread!

What are your two words, jj?

I'm immortal until proven otherwise