Evolution Simplified

It began with a replicator probably in the sea an insignificant little cray-tor much tinier than a bee Didn't have mouth or teeth or a fancy Latin name not even a will to out-compete others exactly the same But nought is really perfect mistakes can easily arrive so, sadly the odd defect meant some did not survive Yet some had good errors and these did well and thrived passed their wee advantage to their offspring born alive And so it went on and then aeons drifted past on and on without end until we came here at last And while we contemplated man's place in this celestial scheme We discovered it ain't that complicated We're just variations on a theme So when you look towards the sky scratch your had or scrunch yer nose Imagine that if you were to die all you'd do is decompose