In london, peppered moths that were light colored blended in with trees of the area, and were well populated. over time, pollution caused the bark of the trees to darken, causing a shift in the number of light colored moths seen. the darker colored moths survived the predators since they were able to blend in with the darkened tree bark, and they reproduced rapidly.

i believe the answer is pupils are unequal and non-reactive

the pupil of both eyes has different size, so you could say the pupil is unequal. pupil has muscle that makes it able to constrict itself according to the light intensity. when the doctor direct their flashlight to the eye, pupil should be constrict to reduce the light intensity. if the pupil doesn't change their diameter, it is called unresponsive.