I don’t think discrete vs continuous is as definitive as you believe. Where in this chain does it flip from zero to one? Amoeba, plankton, jellyfish, roundworm

I don’t think discrete vs continuous is as definitive as you believe. Where in this chain does it flip from zero to one? Amoeba, plankton, jellyfish, roundworm, fruit fly, salmon, frog, rat, chimp, human.