[問題] 等不及老師解題啦.... 生物
今天模擬考考完自然科
話說...考了兩年的文揚了
九年級第一次模擬考也是文楊
結果今天早上看到變成友成的還有一點不習慣捏~
趕快來問一題生物
「在四月春雷乍響時候,毛蟹(台灣絨螯蟹)集會大舉順流而下到出海口產卵,一隻隻
準備產卵的毛蟹,蟹膏豐厚,是饕客愛不釋手的珍饈。有關毛蟹特性的描述,下列何
者錯誤?」
A 毛蟹順流而下是一種本能行為
B 毛蟹須先脫去外骨骼才能長大
C 毛蟹的螯足具有防禦和捕食的功能
D 毛蟹的蟹膏中,卵細胞的染色體為雙套
小弟選D
但是班上有另一派說毛蟹是清除者 不會主動補食 並說D選項的卵細胞已受精
各位強者同學們 你們的選項是???
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