Most convincing evidence for evolutionary theory

It's behind their subscription barrier, though it's old enough that registering for free may let you read it.Everybody here ought to register, anyway - you'll waste even more time digging around the 'net if you do. What joy!

Well, no, it isn't. A cow has a rumen chunk full of a very diverse community of bacteria and archaea. Those little guys make enzymes that convert the cellulose in hay into glucose, which cow enzymes burn to make energy - just like lion enzymes do. Cows and lions both have to have a source of protein or of amino acids to make their own proteins. Hay has a bit of protein. Cows are a more concentrated source, and lions and people often prefer that convenience.

Have you ever had a cold or a case of the flu, IaJ? Or a cold sore? If you have, I suppose you have no immune system and that your survival up to today has been "very doubtful."You make no sense at all.