Essay 4: Upon completing Module/Week 5 Reading and Study items, you will be well equipped to write an essay that shows your ability to describe prenatal development, including milestones and threats; define Eriksons theory of psychosocial development; differentiate between Piaget and Vygotskys models of cognitive development; identify the key changes (physiological and psychological) that occur during adolescence; and discuss the predictors of successful aging. (MLOs: A, B, C, D)  MUST BE APA STYLE WITH PAGE NUMBER AT THE TOP RIGHT CORNER AND A MINIMUM OF 400 WORDS