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.
Free Preschool Curriculum. Preschool is a time of rapid growth and development. While the preschool curriculum is designed keeping in mind the physical and intellectual developmental characteristics of 2 â 5 year olds, there are certain milestones that most preschoolers should achieve before they begin kindergarten.