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I believe the four stages of development are (1) egg, (2) larvae, (3) pupa, and (4) adult.
http://www.childdevelopmentinfo.com/development/piaget.shtml
Containment
The four stages of historical development are typically described as preliterate societies, ancient civilizations, the Middle Ages, and the modern period. These stages reflect broad categories of human social development and major shifts in political, economic, and cultural systems over time.
Unification, modernization, welfare, and abundance.
egg -> larva -> pupa -> adult
the internet era and the "blogosphere." The four major stages of the development of the biography genre through history include the social model of development, the biological model of intellectual development, the elaboration of the logical model of intellectual development and the study of figurative thought. Jean Paiget observed, tested and created a theoretical research program about the stages of development.
Sigmund Freud
The four stages of bee development are egg, larva, pupa, and adult
1. Novice 2. Apprentice 3. Master 4. Mentor
Sensorimotor stage is the first in Jean Piget's cognitive development. This stage is from birth - 2 years. In this kids use their sensory and motor skills to deal with situations.
An organism in the early stages of its development is an embryo.