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.
In South Dakota, the compulsory age limit is 16 if a child enrolls in a general education development test preparation program that is school-based or for which a school contracts, and the child successfully completes the test or reaches the age of 18.n Iowa, children enrolled in preschool programs (4 years old on or before September 15) are considered to be of compulsory attendance age. Each city and parish school board may provide for a child younger than 5 to enter kindergarten if that child has been identified as gifted by the state guidelines.