variation. divergence among individual animals of a group. The differences in the morphology or function of an organ or organism, are small enough to stay within the variability of the type organism or organ.
According to the Food and Drug Administration, your fridge should be set at or below 40 F (4 C). Your freezer should be set at 0 F (-18 C). Food stored in the freezer at 0 F will remain safe indefinitely, although the quality will decrease the longer the food is in the freezer. Freezing does not change a food's nutritional value.
The freezer temperatures should be between -10 to 10 degrees Fahrenheit. The optimum temperature your freezer should be set at is between 0 and 5 degrees Fahrenheit. Visit the AP Wagner Appliance Repair Library for additional information on refrigerator and freezer temperature questions.