Describe physical, intellectual, emotional, and social development for each of the life stages of an individual. • Identify key changes from birth to old age affecting health and well-being. • Explain developmental norms and milestones. • Identify life factors and events that affect growth and development. • Explain potential effects of life factors and events on the growth and development of individuals. Extension activities: To gain a merit grade you must also: • Analyse how each development area has an impact on the other. To gain a distinction grade you must also: • Evaluate how nature and nurture affect an individual’s physical, intellectual, emotional, and social development.