Deep Field / case

Eukaryogenesis

Endosymbiosis installs mitochondria inside a host lineage; metabolism and genomic authority reorganise; a new cellular stratum appears with novel failure modes. The specimen for second-order closure: successful prior regimes generate coordination crises that force enveloping governance. What must be paid is continuous maintenance of the nested architecture—interrupt the reciprocal dependency and the eukaryote collapses into parts that cannot live the life they once composed.