The persistence of rhythms in the absence of a dark-light cycle or other exogenous time signal (i.e., a Zeitgeber) clearly seems to indicate the existence of some kind of internal timekeeping mechanism, or biological clock.
Canada is a federation, which means powers are shared between federal and provincial governments. Head of Government: Prime Minister. Queen Elizabeth II is Canada's official head of state, and is represented in Canada by the Governor General.anada is a federation, which means powers are shared between federal and provincial governments. Head of Government: Prime Minister. Queen Elizabeth II is Canada's official head of state, and is represented in Canada by the Governor General.
Quick Answer. Canada does not have a president. The head of government in Canada is the Prime Minister, and that position is held by Justin Trudeau. The federal government sits in the country's national capital, Ottawa, Ontario. Continue Reading.