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.
Childcare centers are generally an option for working parents who need their children to be taken care of during the day; centers accept babies as well as toddlers and are full-time, full-year programs. Preschool refers to an early-childhood educational class for 3- and 4-year-olds.here's increasing evidence that children gain a lot from going to preschool, says Parents advisor Kathleen McCartney, PhD, dean of Harvard Graduate School of Education, in Cambridge, Massachusetts. At preschool, they become exposed to numbers, letters, and shapes.