Carotenoids are the dominant pigment in autumn leaf coloration of about 15-30% of tree species. However, the reds, the purples, and their blended combinations that decorate autumn foliage usually come from another group of pigments in the cells called anthocyanins.
Canada is a constitutional monarchy with parliamentary democracy, as well as being a federation. Canada's particular Parliamentary system is referred to as a Westminster Model..This model was first developed by the British and is named after the Palace of Westminster, which houses the British Parliament.s a constitutional monarchy, Canada's Head of State is Queen Elizabeth II. The Queen is the head of the e â¦ xecutive, legislative, and judicial branches of government. She is federally represented by the Governor General of Canada, and advised by the Queen's Privy Council for Canada.
Canada's political system is based on that of the United Kingdom. It is a constitutional monarchy, composed of the Queen of Canada, who is officially represented by the Governor General (or by a lieutenant-governor at the provincial level), the Senate and the House of Commons.