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.
By Mike Moffatt. Definition: An exchange rate is the current market price for which one currency can be exchanged for another. If the U.S. exchange rate for the Canadian Dollar is $1.60, this means that 1 American Dollar can be exchanged for 1.6 Canadian dollars.Terms related to Exchange Rates:1  Short Rate.2  Bill of Exchange.y Mike Moffatt. Definition: An exchange rate is the current market price for which one currency can be exchanged for another. If the U.S. exchange rate for the Canadian Dollar is $1.60, this means that 1 American Dollar can be exchanged for 1.6 Canadian dollars. Terms related to Exchange Rates: 1  Short Rate.