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.deal Freezer Temperature. Setting the ideal freezer temperature is vital to keeping your food safe. Freezing food stops the growth of bacteria, it does not kill it. So if the temperature gets too warm bacteria can start to grow again. But your freezer does more than that.