[問題] 關於細菌與分類2個問題
先祝大家新年快樂^^
【問題】：
Swifts(雨燕) and swallows(燕) are aerial foragers. Although the birds are
similar in appearance, biologist place them in different orders; thus their
similarities
A) must represent homologies. B)must have resulted from convergence.
C) support the hypothesis of a polyphyletic origin for birds.
D) represent a clade
第二題
______ are probably the smallest organisms capable of independent growth.
A)mycoplasmas B)purple bacteria C)green sulfur bacteria D)cyanobacteria
【問題起因】：
一樣
【個人看法】：
第一題A不可能
我認為是B, C也讓我猶豫
第二題的A是類菌質體(行寄生)應該就不可能了
B)跟C)都是光合異營
所以應該是D了?
希望大家給點寶貴的意見
謝謝
※ 編輯: fim 來自: 61.229.27.15 (01/25 19:15)
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