Difference Between Convergent and Divergent Evolution. When considering living organisms, evolution can be defined as the development of differentiated organisms from less differentiated pre-existing organisms over the course of time. There are many sources, which provide evidence to the theory of evolution.
You're apparently differentiating between daycare and preschool, right? Private preschools (about $500 per month for three days per week, 9:00a to 1:00p) typically have a minimum age of 30 months (2.5 years) and potty-trained.
Children attend kindergarten between ages 3â6/7 (they go to school in the year in which they have their 7th birthday). Attendance in kindergarten is compulsory from the age of 3 years, though exceptions are made for developmental reasons.