School term dates. Find out about the current year and next year's term dates for Australia's state and territory government schools. You should confirm with schools directly about specific dates, including pupil-free days.1  Australian Capital Territory. 2  New South Wales. 3  Northern Territory. 4  Queensland. 5  South Australia. 6  Tasmania. 7  Victoria.ind out about the current year and next year's term dates for Australia's state and territory government schools.
Common periwinkles are herbivores, using their file-like tongue, the radula, to feed on diatoms and algae attached to intertidal rocks. The common periwinkle breaks down its food by mixing it with mucous on the radula before bringing the food into its mouth. Sea stars, whelks, and some fish eat common periwinkles.ommon Periwinkle (Littorina littorea). Alternate common names: Periwinkle, Winkle. Color: Shell is dark in color, usually brown, black, or gray. Size: 1 inch long and 3/4 inch wide.
From Wikipedia, the free encyclopedia. For the shrub with the same vernacular name, see Vinca minor. The common periwinkle or winkle (Littorina littorea) is a species of small edible sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles.This is a robust intertidal species with a dark and sometimes banded shell.ommon periwinkles have been introduced to the Atlantic coast of North America, possibly by rock ballast in the mid-19th century. The first recorded case was in 1840 in the Gulf of St. Lawrence.