Pre-kindergarten provides learning to children who are 4 years old on or before September 1. Pre-kindergarten for three-year-olds provides learning to children who are 3 on or before September 1. Most programs are 3 hours but extended day is offered in some schools.
and Sub-species:-. 1  Boa. 2  Boa constrictor, Boa constrictor. 3  Boa constrictor amarali, Amaralâs boa. 4  Boa constrictor constrictor, Red-tailed boa. 5  Boa constrictor imperator, Common northern boa. 6  Boa constrictor longicauda, Tumbes Peru boa. 7  Boa constrictor melanogaster, Ecuadorian boa.
Boas are found in Mexico, Central and South America, and Madagascar. The largest member of the group is the boa constrictor, but it is important to note that this is only one species of boaâall boas are constrictors. A constrictor is a snake that kills prey by constriction.