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.
T he ideal temperature for the freezer is about 5 degrees (F). The refrigerator should be kept at about 36 degrees (F). The temperature can be adjusted using the controls found inside the freezer or refrigerator.Measurement of the temperature in the freezer may be inaccurate if you simply place a thermometer inside.o properly Measure the temperature, place a cup of alcohol or cooking oil with a cooking thermometer into the freezer for about 2 hours. The oil or alcohol will not freeze and will make it possible to accurately measure the temperature.