Though natural selection acts on individuals, the effects of chance mean that fitness can only really be defined on average for the individuals within a population. The fitness of a particular genotype corresponds to the average effect on all individuals with that genotype.
1.293 CAD/1 USD for Oct 16 2015. Add to Watchlists. US Dollar to Canadian Dollar Exchange Rate is at a current level of 1.293, up from 1.290 the previous market day and up from 1.126 one year ago. This is a change of 0.24% from the previous market day and 14.80% from one year ago. 1  Category: Foreign Exchange. 2  Region: N/A. 3  Report: H.10 Foreign Exchange Rates.
Bank of Canada 2012. The exchange rate is the price of one national cur-. rency, such as the Canadian dollar, expressed in. terms of another currency, for example, the U.S. dollar, or a basket of currencies. For a very open, trade-dependent economy like ours, the external value of the currency is particularly rel-.