阿摩線上測驗
5. The laryngeal nerve is 450 cm long in giraffes because
(A) a giraffe's throat is located far away from its brain.
(B) this nerve connects to the spinal cord.
(C) the nerve is modified from an ancestor that did not have a long neck.
(D) this nerve is a vestigial organ.
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統計： A(0), B(1), C(1), D(0), E(0) #3240202
統計： A(0), B(1), C(1), D(0), E(0) #3240202
