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.
Welcome to the USD CAD history summary. This is the US Dollar (USD) to Canadian Dollar (CAD) exchange rate history summary page, detailing 180 days of USD CAD historical data from Saturday 18/04/2015 to Tuesday 13/10/2015.Highest: 1.3422 CAD on 29 Sep 2015.Average: 1.2739 CAD over this period. Lowest: 1.1952 CAD on 13 May 2015.elcome to the USD CAD history summary. This is the US Dollar (USD) to Canadian Dollar (CAD) exchange rate history summary page, detailing 180 days of USD CAD historical data from Saturday 18/04/2015 to Tuesday 13/10/2015.