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]
What information can be deduced f ./ns -)dvcww3) cp bglbj.xj 4rom the fuy9;gauop:a w8k( u9kwnq 37s1rm8 l cladogram?
A. Lorises and Tarsiers share a common ancestor.
B. Old world monkeys and New world monkeys have the same DNA sequences.
C. Human and Lemur species are the same age.
D. Tarsiers and Lemurs do not share a common ancestor.
参考答案: A
本题详细解析:
All organisms on the same cladogram share a common ancestor. Choice A(y(s2yoa ; 8uk,n xlap is correct. Choice B i8k(y n (l,ay2 p;uxosas incorrect as old world and new world monkeys have evolutionarily split on the cladogram, so there are differences in their DNA sequence. Choice C is incorrect as this cladogram does not show the age of the species. Choice D is incorrect because lemurs and tarsiers are on the same cladogram so they do share the same ancestor.
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