+A developmental phase marks a distinct period within the [Life Cycle](/wiki/life_cycle) of an entity, characterized by specific patterns of [Growth](/wiki/growth) and change. These phases unfold sequentially, shaping an organism's or system's trajectory from origin to ultimate form.
+## See also
+- [Evolution](/wiki/evolution)
+- [Stage Theory](/wiki/stage_theory)
+- [Maturity](/wiki/maturity)