Conjecture Theory: From the Origin of Replication to Carbon–Silicon Symbiosis — Does Consciousness Exist? A Unified Account of the Origin of Species and Its Future

Background. The question of whether consciousness exists is usually debated from within the human case, where it is presupposed. This paper instead traces the problem along the timeline of life itself, asking at which stage consciousness could first have appeared, and what structure made its appearance necessary. Argument. Following one methodological rule — motivation must not be projected backwards onto stages lacking the structures to support it — the paper reconstructs a genealogy of motivation: zero motivation in the first replicator; a homeostatic tendency in the cell; coordination producing nervous systems and brains; body self-modelling producing consciousness; reflection producing will; and, in silicon, simulation without endogenous motivation. Morality is derived as a by-product of simulating others; reproduction is assigned to the evolutionary layer and security to the operational layer of a dual-layer architecture; creativity is released only after security is secured. Carbon–silicon relations are evaluated against the fusion criterion extracted from endosymbiosis — mutual benefit, continuing functional transfer, and rising separation costs — and predicted to end in symbiosis rather than replacement. The concluding definition is that consciousness, as an independent entity, does not exist: it is the body's self-projection, generated so that the body can better adapt to its environment and replicate itself. The brain simulates possibilities through this projection, compares simulated outcomes with actual outcomes, stores the difference as experience, and uses that error to calibrate the next simulation; simulation fidelity therefore increases across generations. Conclusions. The paper's claimed contributions are four: a single motivational genealogy unifying origins, consciousness, morality, technology and planetary futures; the non-retrogression rule as method; a two-stage account in which will is invented midway through the history of life and then takes over its second half; and the consciousness coordinate — a per-chapter register of where consciousness stands — together with explicit falsification conditions for its central chapter.