Answer questions 114–118 in reference to the five eye structures
listed below.
a. cornea
b. lens
c. retina
d. ommatidium
e. vitreous body
D 114. This structure is found in the compound eyes of
insects but not in the eyes of vertebrates.
M 115. This structure forms the transparent front of the eye.
E 116. This structure primarily acts to focus light waves.
M 117. This structure contains rods and cones in vertebrates.
M 118. This structure acts to maintain the shape of the eye
and to transmit light to other structures.
Answers : 114. d, 115. a, 116. b, 117. c, 118. e
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