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.
Lesson Summary. A life cycle is defined as the developmental stages that occur during an organism's lifetime. In general, the life cycles of plants and animals have three basic stages including a fertilized egg or seed, immature juvenile, and adult.