No one knew better; it seemed pretty swell, cruising around in the suds with one cell. Then someone discovered your chances accrue if you can transition from one cell to two and so we evolved the next three billion years, grew livers and baby fat, dimples and ears, and made up some gods who we worshiped a lot, so they thought us special and gave us top spot. Now the plants are all named and the system is gamed and the animals tamed and the communists blamed and the resources claimed and our passions inflamed. In a myriad ways we're as rich as king Tut and it's all quite fantastically wonderful. But ...