Experiments with Crayfish Have Demonstrated That Direct Illumination of These

Experiments with crayfish have demonstrated that direct illumination of these receptive fields tends to produce a withdrawal rather than a forward walking response.

A) Upper part of the eye and the tail
B) Upper part of the eye and the antennae
C) Lower part of the eye and the antennae
D) Lower part of the eye and the tail
E) Outer rim of the eye and the forelegs