问题
选择题
我们常说的“枝条”从生物学角度理解正确的解释是（ ）
A．长有叶和芽的茎
B．除去叶和芽的茎
C．除去叶带有芽的茎
D．除去芽带有叶的茎
答案
生物学意义上的枝条指的是长有叶和芽的茎，如图：
可见叶芽的幼叶将来发育成枝条的叶，芽轴将来发育成枝条的茎，芽原基发育成侧芽．则一个叶芽就发育成了枝条．
故选：A
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我们常说的“枝条”从生物学角度理解正确的解释是（ ）
A．长有叶和芽的茎
B．除去叶和芽的茎
C．除去叶带有芽的茎
D．除去芽带有叶的茎
生物学意义上的枝条指的是长有叶和芽的茎，如图：
可见叶芽的幼叶将来发育成枝条的叶，芽轴将来发育成枝条的茎，芽原基发育成侧芽．则一个叶芽就发育成了枝条．
故选：A
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