Each ommatidium of the compound eye of an insect has a biconvex lens and a __________, which

help focus light onto photoreceptor cells known as __________.
a. crystalline cone; retinular cells
b. facet; ocelli
c. rhabdome; cones
d. sclera; rods
e. cornea; rhodopsins


A

Biology & Microbiology

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