Multicellular happened over and over again. Mitochondria are weird, but we don't know that such organelles are necessary for life to become intelligent. And w

Multicellular happened over and over again. Mitochondria are weird, but we don't know that such organelles are necessary for life to become intelligent. And we don't know how weird that capture was. It is easy to make an argument for improbability. And it is easy to make it too extreme, like the absurd arguments that Creationists use against evolution.