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.
Ideally the best temperature for your freezer 0Â°F. If you are going to be freezing a few things (like youâre making a big batch of lasagna) bump the freezer down to -10Â°F several hours or the day before, if possible. The faster foods freeze, the smaller the ice crystals, the less damage to texture occurs.