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Senior High
Biology
E是正確的嗎?
Biology
Senior High
about 3 yearsago
Dorothy Liao
E是正確的嗎?
(E)對生物生存有負面影響的特徵(如孔雀華麗的尾羽) 應該都會隨時間而減少 40. 達爾文的物種起源中支持哪些概念? (A) 物種並不是固定不變的 (B) 在適應過程,常使用的器官變發達 (C) 演化是一種連續性步驟 (D) 適者生存,不適者被淘汰 (E) 突變是隨機產生的
Answers
J
about 3 yearsago
正確的
突變沒有目的性及方向性
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