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.
Eligibility: The child must be 4 years of age by August 31st of their Pre-Kindergarten year. Children selected for participation should qualify as evidenced by multiple criteria (developmental screening, parent observation and teacher observation). Schools of choice and employee requests are non-applicable.