The energy cost of running between individuals is extremely variable, even when normalized for body mass.

Speech development is extremely variable, but language skills develop in many subtle ways.

In addition, the disease course may be extremely variable from case to case.

While generally well made, the rifles were produced substantially by hand, making the quality extremely variable.

The species is extremely variable, but can be generally described as follows.

Associated features may be extremely variable from case to case.

Furthermore, water depths are known to be extremely variable at the south end of the lake.

Alaska's size is the reason for its extremely variable climate.

This family has extremely variable color patterns and body shapes.

The composition of such cultures is complex and extremely variable.