如图是某生态环境的示意图请据图回答下列问题1此生态系统中生物所需的能量根本来源是 .2在此生态系统中最基本最关键的生物组成成分是 Template




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tomski如图是某生态环境的示意图请据图回答下列问题1此生态系统中生物所需的能量根本来源是 .2在此生态系统中最基本最关键的生物组成成分是 coloring