so it is applicable to do what i want to?
what i mean is the mcu is already programmed in the arduino board.. then replace it in the bread board without xtal or resonator?
Unless you reprogram the fuses to use the internal oscillator, you need to provide one. Keep in mind that the internal oscillator does not run at 16MHz.
More information in this thread: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1247139691