请根据菜豆种子和玉米种子的结构特点完成下表. 相同点 不同点 菜豆种子 都有种皮种皮和胚胚 子叶两两片营养物质储存在子叶子叶中 玉米种子 子 Template




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tomski请根据菜豆种子和玉米种子的结构特点完成下表. 相同点 不同点 coloring