64. The _____ and _____ of a plant's leaf help conserve water in a plant.
(A) root hairs; stomata;
(B) Casparian strip; cuticle;
(C) Casparian strip; endodermis;
(D) stomata; cuticle.
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統計: A(1), B(0), C(2), D(1), E(0) #3167750
統計: A(1), B(0), C(2), D(1), E(0) #3167750