3 people have responded with the Steve Jobs bicycle point. Not trying to solicit clever gotchas here. Let’s set aside extended phenotypes, be they tech (beaver dams, all human tech) or biological (viruses, symbiotes, parasites...). Base phenotype and physics-legible cost function
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What are the most efficient and optimized organisms in some physics-meaningful sense? Like say energy efficiency or jaw force generated per pound of body mass or something?

