Squid are cephalopods of the order Teuthida, which comprises around 304 species. Like all other cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and arms. Squid, like cuttlefish, have eight arms arranged in pairs and two, usually longer, tentacles. Squid are strong swimmers and certain species can fly for short distances out of the water.
1 The summer semester is 10 weeks long with two 5-week mini-mesters offered as well. 2  Some courses are only available in a 10-week format. 3  The classes are accelerated and cover the same amount of content as the 16-week classes.
1 A trimester system divides the academic year into three terms which can be as short as eight weeks or as long as 16 weeks each. 2  A quarter system divides the academic year into four terms, up to 12 weeks each, and generally counts the summer as one of the terms. semester (from the Latin meaning six-monthly) has come to mean either of two academic terms, generally excluding the summer or January terms, if any, and so can be 12 to 20 weeks long. The word semester is sometimes used as a synonym for a term, as in a summer semester.