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.
Colombia Government type. Definition: This entry gives the basic form of government. Definitions of the major governmental terms are as follows. Absolute monarchy - a form of government where the monarch rules unhindered, i.e., without any laws, constitution, or legally organized oposition.