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第1293章 这,很严重!(2 / 2)

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进入化验室后,夏青把样本放在桌上,倒背双手吩咐,“断腰的,你用显微镜检测土壤中的微生物,我看看你学会没有。”

喜欢考试的断腰狼立刻站起来,把两只前爪先后伸入门边的仪器里,套上了防菌橡胶手套,然后两只后爪着地,一个弹跳就准确落在了显微镜旁边的操作台前。

它这动作,把夏青都看呆了。

特么谁教给它这么走路的?明明套一只手套就能干的事儿,它为啥套两只?!

老狼也被断腰狼的姿势惊讶到了,一脸严肃地看着它,呆瓜则是熟练爬到夏青身上,搂着她的脖子,这里到处都是刺鼻的气味,小猴害怕。

断腰狼用酒精擦拭了载玻片和盖玻片晾干,确保洁净、无菌、无油渍后,熟练从取样管里挑取土壤,放在载玻片上,再压瓶子滴了几滴无菌水,盖上盖玻片。夏青这才发现,她的实验室操作台上多了几样小设备,一看就是专门给断腰狼准备的。

不用问,肯定是三哥放的。

断腰狼这套严谨规范的动作,也是三哥教的……

与显微镜相连的显微成像显示器上,出现微生物的清晰图像时,夏青先称赞了断腰狼,才指向显示器上的微生物,开始介绍,“老四,断腰的,呆瓜,你们看,这就是10月23日土壤厌氧菌戕进化后,土壤中活跃度最高的菌种——梭形杆菌。它是致病菌,是让狼、猴、老虎、野猪、兔子等动物拉肚子的微生物……”

听讲的两狼严肃,一猴呆滞。

夏青快速点击笔记本屏幕,调出土层菌种图片,指着图片继续讲,“……进化梭形杆菌已经不算厌氧菌了,它能在有氧土层中,也就是靠近地面的区域活动。成为生活在这个土层中的微型动物的食物。你们看,这条透明的虫是线虫,它正在用口器摄取梭形杆菌。”

看到有动物狩猎,猴不呆了,两狼更严肃了。

本小章还未完,请点击下一页继续阅读后面精彩内容!“这,很严重!”

观看线虫摄取进化梭形杆菌后,夏青转头发现了三个学生的表情差异,指着线虫,柔声细语地询问,“呆瓜觉得这种虫很好吃?”

两狼严肃,一猴露出牙齿。

大多数人类看到放大后的线虫,会在社会心理强化的影响下,产生害怕或膈应等抵触情绪。白脸僧面猴不知道这是什么,所以小猴眼里,线虫看着就是很美味的食物。

夏青用手指敲了一下它的脑袋,郑重警告,“这种虫看着好吃也不能吃,因为它吃了致病菌,你吃了它会拉肚子,生病。而且,它非常小……”

夏青通过呆瓜的小黑爪、老四的毛等实物,教刚接触显微镜的老狼和呆瓜认识什么叫做放大后,才继续教学,“线虫吃了进化梭形杆菌,抵抗力强的线虫不会生病,抵抗力弱的会生病。我们研究发现,十分之一的线虫会生病。那么,问题来了,哪些动物吃线虫?”

断腰狼的眼睛立刻亮了,夏青点名,“断腰的,你来回答这个问题。”

断腰狼立刻跳到夏青的笔记本前,用爪子在屏幕上点点点,找到了食物链知识图谱,然后往下扒拉,找到了处于食物链底层的线虫,点开。然后,屏幕上出现了以线虫为食物的各种动物的图片和名称。

“太对了,断腰的你不愧是站在蓝星脑域进化者金字塔顶端的进化狼,你答对了!”夏青热情称赞断腰狼,如果不是在实验室中,她一定奖励这只聪明狼一块绿灯冻干!

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