本题目来源于试卷: Unity and Diversity A.7 Classification and Cladistics，类别为 IB生物学
[单选题]
In cladistics, which vqydvho z(/,rc gb 3:mu8:hp1isnni1x q;m2z o5h ds/wz :4f0 -vw)fuy/*rvcty the correct definition of a clade?
A. A group of organisms with the same DNA sequence
B. A group of organisms that share a common ancestor
C. A group of organisms with different DNA sequences
D. A group of organisms that do not share a common ancestor
参考答案: B
本题详细解析:
Choice B is the correct definition forfi. * zsap//tvo yw8i9+hcv d6 a clade, a group of organisms that share a common ancestor. Choice A apsv+t9i/a 6 .zc8vhodiy / f*wnd C are incorrect as they do not feature the idea of a common ancestor. Choice D is incorrect because organisms within a clade do share a common ancestor.
| 
