Firstly, you must respond to the Key Selection Criteria. If you only send in your Cover Letter and Resume for a job that has a request for you to respond to Key Selection Criteria your application will immediately be discarded… outch!
Don’t assume that employers or the selection panel will pull the information out of your application package and pick up the salient points. They will not! Even if they had the spare time for such insight, they are not allowed to infer anything.