Why did people of the First Nations have different ways of life in different parts of Canada?

The people of the First Nations had different ways of life in different parts of Canada owing to the varied climatic conditions across Canada and the distance between them.

Explanation:

Canada is areawise the second largest country in the world and hosts a scarce population. The people of the First Nations that lived in Canada actually lived at great distances from each other. The variation in the climate that is experienced across Canada made the residents of those respective areas adopt lifestyles that would suit the climate. Thus, the foods, clothing, housing, etc., of people living in different parts of Canada varied greatly.