Biology
Senior High
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為什麼B不是同源?
Chapter 3 st 13.
多選題
(ABD 21. 下列各器官中那些和人的手掌互為同源構造?(應選3項)
(A)鳥的翅膀 (B)鯉魚的胸鰭 C蝴蝶的翅膀 D烏龜的前肢 B蝙輻的翼
(BE
2.下列有關親緣關係重建的敘述,哪些正確?(應選2項)
(A指標化石做為定年工具,其生存地史時間愈長則愈精準
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