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 ideal freezer temperature is 0 Fahrenheit (-18 Celsius) for storing food.And -10 Fahrenheit (-23 Celsius) is recommended when freezing food. The faster food freezes the smaller the ice crystals. The smaller the ice crystals the smaller the change in texture and better quality when thawed.YTH: A freezer that is too cold causes freezer burn. Temperature does not cause freezer burn. Freezer burn is the dehydration of your food by air. The moisture leaves the food, entering the air in the freezer.