[luckyme]

[ QUOTE ]
groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups.

So, interspecies reproduction cannot make fertile offspring.

[/ QUOTE ]

Isn't the latter just restating the former?
"reproductively isolated" = "cannot make fertile offspring".


cubes are stable. so, cubes don't push over easily.

seems like something is missing??

luckyme