优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> 就是指整个身体是由一个细胞构成的生物,这一个细胞能够完成生物体的。-七年级生物
就是指整个身体是由一个细胞构成的生物,这一个细胞能够完成生物体的。-七年级生物
题目简介
就是指整个身体是由一个细胞构成的生物,这一个细胞能够完成生物体的。-七年级生物
题目详情
就是指整个身体是由一个细胞构成的生物,这一个细胞能够完成生物体的
。
题型:读图填空题
难度:偏易
来源:不详
答案
单细胞生物 生命活动
试题分析:单细胞生物虽然只由一个细胞构成,但也能完成营养、呼吸、排泄、运动、生殖和调节等生命活动,常见的单细胞生物有草履虫、变形虫、眼虫、衣藻、酵母菌等。
点评:此题为基础知识题,解答此题的关键是熟记单细胞生物也能进行生命活动。
上一篇 :
草履虫的细胞内没有______不能
下一篇 :
If it tomorrow, Ifishing in
搜索答案
更多内容推荐
--What would you do if you ____ a million dollars?--I’d give it to the charityA.winB.wonC.will winD
If Iyou, Ithe job.A.am; will takeB.was; would takeC.were; would takeD.are; will take-九年级英语
The girl is _____ beautiful ____ she may become a film star when she grows up.A.too; toB.such; thatC
-- Hello, this is Jack. May I speak to Tom?-- Sorry, he isn’t in at the moment. If he _______ back,
—Would you like _________ Shijing Hill with us next Sunday afternoon?—I will go with you unless my m
— Does Tommy love taking exercise every day?— Yes. He goes jogging every day _______ it rains or sno
为探究草履虫对刺激的反应,一同学制作了如下图所示临时装片,草履虫将A.从左向右运动B.从右向左运动C.不运动D.A、B、C都可能-七年级生物
单细胞生物仅由一个细胞构成,却能独立完成、、、等各种生命活动。-七年级生物
The poor girlacross the roada car knocked her down.A.walked; whileB.walked; sinceC.was walking; unti
If your homework , you can watch TV.A.will doB.doesC.is doneD.has done-八年级英语
If we _________ our dreams, we believe one day our dreams will be________.A.hold on; achievedB.hold
What shall we do if it tomorrow?A.will rainB.rainC.rainsD.Rained-八年级英语
I met a friend of mine _____ I was walking in the park.A.beforeB.whenC.afterD.if-八年级英语
Peter doesn’t tell me when he _______. I’ll telephone you as soon as he ______.A.will come, comes B
If it _____ tomorrow, we won’t go to the park.A.rainedB.rainsC.will rainD.raining-九年级英语
在观察草履虫时,为了限制草履虫的运动速度,应在载玻片的培养液上A.滴加肉汁B.放少量棉花纤维C.加少量食盐D.把水吸干-七年级生物
草履虫能躲避有害刺激,趋向有利刺激。()-七年级生物
单细胞生物个体微小,不能完成呼吸、生殖等复杂的生命活动。-七年级生物
——I don’t know if he ________ tomorrow?——If it ________ , he will come.A.will come; won’t rainB.will
If I free next Sunday, I to the farm with you.A.will be, will goB.am, will goC.am, goD.will be, go-八
My mother was looking while I the radio. A.listened toB.have listenedC.was listening toD.is listenin
If you _______that kind of fish, you ________very sick.A.will eat; will becomeB.will eat; becomeC.e
If it ______ tomorrow, I’ll go hiking with my friends.A.won’t rainB.will rainC.doesn’t rain D.rains-
--- Don’t worry. Your mother is coming to help you. ---_______ she doesn’t come and I am here alone?
下图是在显微镜下观察到的草履虫结构示意图,草履虫运动和取食的结构分别是A.1和3B.2和6C.4和2D.4和3-七年级生物
“探究草履虫对刺激的反应”实验所运用的科学探究方法是A.观察法B.调查法C.测量法D.实验法-七年级生物
单细胞生物结构简单,所以与人类的关系不密切。-七年级生物
单细胞生物如草履虫对环境的变化没有任何反应。-七年级生物
If it ____ rain, we will play football tomorrow.A.willB.wouldC.isn’tD.doesn’t-八年级英语
——Will you come to the dinner party?——I won’t come unless Mary ________. A.invitesB.will be invitedC
He will show his new CD player to you as soon as he ____ his letter.A. finishes writing B. will fini
She will call you if she ____.A. goes to B. come back C. comes back-八年级英语
I have a lot of homework to do today, _________ I cannot go swimming with you.A.becauseB.soC.thenD.B
---What are you going to do this weekend ?--- Well, we’ll clean up the city parks ________ it rains.
—I was ______ tired ______ I fell asleep as soon as I lay down. —Oh, you need to have a good rest.A.
在草履虫培养液中加入适量碳素墨水,几分钟后将草履虫制成临时装片在显微镜下观察,被染成黑色的结构最可能是A.伸缩泡B.食物泡C.细胞质D.细胞核-七年级生物
用显微镜观察草履虫、眼虫和酵母菌,比较分析错误的是A.细胞中都没有叶绿体B.有的细胞中有明显的液泡C.都不是原核生物D.都能独立完成生殖-七年级生物
草履虫的表膜不具有的功能是A.保护B.呼吸C.排泄D.消化-七年级生物
Nina is clever but kind of lazy. If she _______ harder, she _______ better grades.[ ]A. will work; g
单细胞个体都很微小,跟人类没有任何关系。-七年级生物
If he _____ free tomorrow , he ______ to see me .A.will be; will comeB.has ; comesC.is;will comeD.is
---“__________ do you watch TV?”---“Every day.”A.How longB.How muchC. How oftenD.When-七年级英语
Take an umbrella with you if it ______ tomorrow.A. rain B will rain C rains D is raining-八年级英语
I don’t know ______ he will come tomorrow. ______ he comes , I’ll tell you.A.if ; WhetherB.whether;
Although he practiced______ those English words a lot, he ______ the pronunciation. A.read, finished
The teacher with his students _____ playing _____football at this tine yesterday.A.was; theB.is;theC
The Beatles began to be popular ______ in the USA.A.in the 1960s B. in the year1960 C. in 1960’s D.
下列关于单细胞的叙述,错误的是A.整个身体由一个细胞构成B.能够完成呼吸排泄和对外界刺激发生反应等各项生命活动C.不能独立完成生命活动D.大多数在水域环境中生活-七年级生物
The harder the workers work, _____.[ ]A. the more money they'll get B. they'll get them mo
以下关于草履虫的知识,正确的是A.氧的摄入、二氧化碳的排出都通过伸缩泡完成B.个体微小,要用电子显微镜观察C.草履虫趋向有利刺激是反射活动D.观察时,放置儿丝棉花纤维的目-七年级生物
返回顶部
题目简介
就是指整个身体是由一个细胞构成的生物,这一个细胞能够完成生物体的。-七年级生物
题目详情
答案
试题分析:单细胞生物虽然只由一个细胞构成,但也能完成营养、呼吸、排泄、运动、生殖和调节等生命活动,常见的单细胞生物有草履虫、变形虫、眼虫、衣藻、酵母菌等。
点评:此题为基础知识题,解答此题的关键是熟记单细胞生物也能进行生命活动。