What seems clearer is that the system has been serving up more extremes and greater variability over the last decade or so.

The shell of many species have a great variability.

There is great variability in migration patterns within the family.

However, Wilkinson's group reported great variability in the results of this synthesis.

Those with higher incomes display a greater variability of food consumption.

Within a species, some animals produce far more allergens than others do, and there is great variability among dogs.

Scientists are seeing far greater variability in the prototypes than previously believed.

Due to the great variability in dogs, there is no one standard of good conformation.

The life cycle shows great variability from one group to another.

One reason may be the great natural variability of the virus.