Hello．I'm Amy．Welcome to my bedroom．It's small but nice．You can see my family picture on the wall．Oh，no! My cat is on my bed．And my shoes are near the bed．

    Can you see my panda bag? It's on the sofa．Where are my crayons? Are they in the bag? No，they aren't．They are on my small table．I can sit on the sofa and draw pictures．I like my bedroom．

读天气系统示意图，回答下题．

细菌、真菌是生物圈不可缺少的生物组成部分，且与人类生活关系密切．请分析回答：