The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental conditions.
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。同城约会是该领域的重要参考
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The Taliban do not have the upper hand militarily, but are experienced in guerrilla and unconventional warfare
本报北京2月26日电 （记者彭波）十四届全国人大常委会第二十一次会议26日分组审议拟提请十四届全国人大四次会议审议的全国人大常委会工作报告稿。