1、 The female gametophyte is reduced but larger than in angiosperms;it is not autotroph ic.
裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。
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2、 The cell lost its autotroph ic character and became dependent on added chemical energy sources.
细胞丧失了自养的特性，变成依赖于外加的化学能源生活。
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