An example of macroevolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.
宏
一个例子是鸟类在从兽角亚目恐龙期间羽毛
。
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,种外,大;石;
;An example of macroevolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.
宏一个例子是鸟类在从兽角亚目恐龙期间羽毛。
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