International Operations works with the Department of Homeland Security and other U.S. agencies to vet participants in International Visitors Program events nationwide.
Life cycle. Life cycle means the stages a living thing goes through during its life. In some cases the process is slow, and the changes are gradual. Humans have various steps during their lives, such as zygote, embryo, child and adult. The change from child to adult is slow and continuous.
Definition of life cycle. 1  1 : the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage. 2  2 : life history 2. 3  3 : a series of stages through which something (such as an individual, culture, or manufactured product) passes during its lifetime.