You can also use the three skull images below as a guide for measuring the rest of the skulls in the Gizmo. After you measure the area of each cranium, multiply the result by 5. This will give you a very rough estimate of the species’ cranial capacity. Species Area of cranium (cm 2) Estimated cranial capacity (cm 3) Pan troglodytes 88cm 2 ... Table for activty 2 on Skull Lab Gizmo Give the brainliset to whoever fills chart out.