The albino cavefish lives deep inside of caves where very little light ever reaches. This species is blind, and its skin actually has grown over where its eyes should be.
Knowing that they developed from ancestors that could see, which of the these would best help explain why the albino cavefish is now blind?
A) Botany
B) Evolution
C) Microbiology
D) Mycology
I don't know C or B?