Just to be clear, bacteria and amoebas are mostly single-celled. They’re amazing too, but they’re the tiny, speedy cousins of the cell world.
Multicellular organisms, on the other hand, are the ones that build civilizations inside their own bodies. They’re the epic fantasy novels of biology, while single-celled life is a tweet.
Both are valid, but today we’re celebrating the big, complicated, cuddly ones.
