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 temperature needs to be at 0Â°F or lower. If you are going to be freezing a large amount of food at one time, you can turn the freezer setting lower so that added food does not raise the temperature of already frozen food in the freezer.Temperature affects the size of the ice crystals in the food.he freezer temperature needs to be at 0Â°F or lower. If you are going to be freezing a large amount of food at one time, you can turn the freezer setting lower so that added food does not raise the temperature of already frozen food in the freezer.