48. According to the passage, which of the following is NOT important in assessing
biodiversity?
(A)The special function a particular species plays in an ecosystem.
(B) The number of species present in an ecosystem.
(C) The size of the area an ecosystem covers.
(D)The genetic uniqueness of the species within an ecosystem.
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統計: A(6), B(9), C(37), D(2), E(0) #1901787
統計: A(6), B(9), C(37), D(2), E(0) #1901787