I believe the four stages of development are (1) egg, (2) larvae, (3) pupa, and (4) adult.
6
If you mean Piaget, there are 4 stages of cognitive development. Sensorimotor, Preoperational, Concrete Operations, and Formal Operations. His work was in child development, and the stages that children go through when learning to deal with the world. Erickson went further and dealt with lots of crises that children all the way through adults go through... psychosocial stages. Kohlberg also went farther, but with stages of Moral development. Hope that helps...
youth, maturity, old age
describe the four stages of the hypothesis for the origin of life on earth by chemical evolution
There are four main stages of food processing. These include ingestion and propulsion, digestion, absorption of nutrients, as well as egestion.
There are 4 stages in a mosquito's life cycle .a egg then a larva then a pupa then a mosquito.
No,they have four
The mosquito has 4 stages in its lifecycle and is refered to by the stage of development it's in that is egg, larve, pupa and 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
A mosquito larva which lives below the surface of stagnant water.
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.
Search on google.
Sigmund Freud