The nutritional substances and the control of conditions on the heterotrophy of chlorella are reviewed , and its applications are introduced 摘要介绍了小球藻异养培养的营养需求，条件控制以及应用前景。
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5 、 in respect of behavioral ecology , both species can reproduce by way of forming viviparous plantlets . and it is a conversation from heterotrophy to semi - heterotrophy for the process of viviparous plantlets " formation and morphochoresis 5 、从行为生态学的角度来看，两种植物均以通过产生胎生苗进行繁殖，胎生苗在发生及形态建成过程中，是从异养向半异养转变。
