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.
Federal Government. At the federal level, there are 3 parts of government: 1  Elizabeth II, Queen of Canada, is Canada's formal head of state. 2  The Governor General represents the Queen in Canada and carries out the duties of head of state.3  The House of Commons makes Canada's laws.4  Canadians elect representatives to the House of Commons. The political party that has the largest number of MPs forms the government, and its leader becomes prime minister. 2  The prime minister is the head of government in Canada. 3  The Prime Minister chooses MPs to serve as ministers in the cabinet. 4  There are ministers for citizenship and immigration, justice and other subjects.