Adaptation. An adaptation is a feature that is common in a population because it provides some improved function. Adaptations are well fitted to their function and are produced by natural selection. vestigial structure is a feature that was an adaptation for the organism's ancestor, but that evolved to be non-functional because the organism's environment changed. Fish species that live in completely dark caves have vestigial, non-functional eyes.
1 A nurse administering Botox in a mall on average costs $9-$12 per unit, or $200-$300 per area (with 20-30 units), which can run $200-$600 for a typical treatment. Treatments may be every 3 months. 2  A nurse administering Botox in a mall on average costs $9-$12 per unit, or $200-$300 per area (with 20-30 units), which can run $200-$600 for a typical treatment.
For example if Botox was 8.75 per unit and the area of concern will take 10 units to correct then 8.75 per unit X 10units = $87.50 cost for the area to be treated.Most providers charge between $10-16 per unit of Botox with the average being $13 per unit.Because we are one of the largest providers of BOTOXÂ® in the nation and the number one provider of BOTOX Â® in Arizona.any providers sell Botox by the unit. Most new Botox consumers do not understand what this means. I am going to explain, to help you determine the average cost of Botox per area. First, you must determine what constitutes a unit in the practice you are receiving Botox from.