- life cycle - a series of stages through which an organism passes between recurrences of a primary stage
--1 is a kind of organic phenomenon
- life cycle - the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced
--2 is a kind of growth, growing, maturation, development, ontogeny, ontogenesis
- life cycle - the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced