40. Kranz anatomy is a specialized structure in _____.
(A) C4 plants
(B) C3 plants
(C) CAM plants
(D) parasitic plants
(E) epiphytic plants
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統計: A(34), B(2), C(8), D(2), E(2) #3224821
統計: A(34), B(2), C(8), D(2), E(2) #3224821