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。
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。
3·Nitrate nitrogen removal from ground water by autotroph IC denitrification in a packed bed reactor.
固定床自养反硝化去除地下水中的硝酸盐氮。
4·Many phytoplankton and autotroph absorb the DIN of the bottom water that decrease content of DIN in bottom water and change the fluxes of the DIN.
在有光的条件下，浮游藻类和一些光自养生物对沉积物水界面溶解态的营养盐的直接吸收，从而减少了上覆水中可与沉积物可交换的营养盐的含量；
5·Autotroph: an organism capable of synthesizing its own food from inorganic substances using light or chemical energy. green plants algae and certain bacteria are autotrophs.
自养生物：一种能够从无机物质如光或化学能量中合成出自身食物的有机体。绿色植物，海藻及某些细菌都是自养生物。