Population dynamics, changes to the ecology, stochastic processes, neutral drift ...
...meaning what, exactly? The heritable traits that determine changes in populations and the response to changing environments are deoxyribonucleic acid. The heritability of those traits is yet more chemistry. Neutral drift is a function of neutral mutations in a population, which in turn is just more chemistry.
At best you can claim that social behaviors and natural selection itself are
emergent from the complex self-replicating interdependent chemical reactions that make up all forms of life of which we are aware...but at the end of the day, that's still all we are: chemistry.
I get what you're saying, but you don't need any chemistry to study population dynamics.
Just like you don't need any physics to do a chemistry experiment even tho that what it ultimately boils down to.
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