The Difference Between Physics and Biology

This is the question about free will, right? We started as a tiny little dot somewhere in the universe that all exploded and then we have all of us. If we know enough about the every single like proton pump and every single mitochondria and every single microtubule along a line within the pigeon's brain, could we then predict where it's going to go or know what it'll do next? But isn't it also the case that we don't even have models of turbulence with thermodynamic systems where we're not tracking every single molecule)? So if this is the larger trend of a closed box with some kind of a gaseous particles, you know, this is econ