多态现象：同种生物的个体对于某些形态、形质所表现的多样性的状态。下列属于多态现象的一项是： -题库考试答案搜索网

多态现象：同种生物的个体对于某些形态、形质所表现的多样性的状态。下列属于多态现象的一项是：

单选题

2022-11-23 19:05

A、“雄兔脚扑朔，雌兔眼迷离。”
B、“世界上没有两片完全相同的树叶”
C、普通的马大多单色，而斑马是黑白相间
D、人不能两次踏进同一条河流

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正确答案

B

试题解析

第一步：抓住定义中的关键词。多态现象强调“同种生物个体”表现的多样性的状态。第二步：逐一判断选项。A、C项中不同性别的兔，普通马与斑马不能视为“同种生物”；B项指出即使是同一种树叶，它们的形态也是不同的，B项体现了树叶的多样性状态；D项中河流并不是“生物个体”。故正确答案为B。

标签：行政职业能力测试国家公务员公务员

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