Journey through life’s greatest transitions—from symbiosis and multicellularity to consciousness and culture—and uncover how risk, cooperation, and inventiveness shape both evolution and our place within it.

SE Press: Adaptation and major transitions drive life’s complexity, restructuring organisms via selection, cooperation, and regulated innovation. Star-rated scoring, empirical thresholds, and cross-series references anchor every answer. Protocol logic ensures all claims are challenge-ready and versioned throughout the Evolution & Life series.