temps (durée) (1) spectacle (1) mutation (1) modèle (1) plomb (1) fossile (1) effet (1) datation (1) âge (1) étalonnage (1) taux (1) Complement (1) Variation (1) Calibration (1) Dating (1) Methods (1) Evolution (Biology) (1) Rates (1) Time (1) Phylogeny (1) Lead (1) Grasses (1) Genomes (1) Example (1) Evidence (1) Estimates (1) Calibration (1) Age (1) Acceleration (Mechanics) (1) Methods (1)