优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> 下列动物不属于变态发育的是()A.蜜蜂和蟾蜍B.家鸽和家鸡C.青蛙和蟾蜍D.苍蝇和蚊子-生物
下列动物不属于变态发育的是()A.蜜蜂和蟾蜍B.家鸽和家鸡C.青蛙和蟾蜍D.苍蝇和蚊子-生物
题目简介
下列动物不属于变态发育的是()A.蜜蜂和蟾蜍B.家鸽和家鸡C.青蛙和蟾蜍D.苍蝇和蚊子-生物
题目详情
下列动物不属于变态发育的是( )
A.蜜蜂和蟾蜍
B.家鸽和家鸡
C.青蛙和蟾蜍
D.苍蝇和蚊子
题型:单选题
难度:偏易
来源:不详
答案
变态发育一般指昆虫纲与两栖动物的发育方式,两栖类的变态发育要经过四个时期,如青蛙:受精卵--蝌蚪--幼蛙--成蛙,其中幼体和成体的根本区别是呼吸方式.幼体用鳃呼吸,成体用肺呼吸,皮肤也能辅助呼吸.昆虫纲的变态发育和两栖类有所不同,因为它们的变态发育又分为完全变态与不完全变态.
蛾,蝶,蝇的变态,由受精卵开始,要经过幼虫、蛹和成虫四个阶段.而且幼虫和成虫差别很明显,这样的变态发育称为完全变态.像这样的还有蚊、蝇、菜粉蝶、蜜蜂等.
有些昆虫的发育经过卵、幼虫(若虫)和成虫三个阶段,而且幼虫和成虫差别不明显,这样的发育过程叫做不完全变态.如蝉、蟋蟀、蚱蜢、蝼蛄等.
故选:B
上一篇 :
如图圆圈表示生物具有的特征,重
下一篇 :
关于两栖动物的生殖和发育,下列
搜索答案
更多内容推荐
“稻花香里说丰年,听取蛙声一片”指的是()A.蝌蚪呜叫B.雌雄蛙共同呜叫C.雌蛙鸣叫D.雄蛙鸣叫-生物
从两栖动物的生殖发育对环境的要求,解释为什么两栖动物的数量在急剧减少?我们应当采取哪些保护措施(至少3个)?-生物
请阅读下面两则资料,分析回答问题:资料一:据2009年7月3里《新民晚报》消息,“国际保护”组织在厄瓜多尔的边境纳格里扎河盆地的热带雨林中经过数月的科学考察,发现了14个新物种-生物
“稻花香里说丰年,听取蛙声一片.”雄蛙的鸣叫有利于青蛙的繁殖______.-生物
生物兴趣小组对青蛙的生殖和发育过程进行了观察和探究,以下叙述不正确的是()A.雄蛙鸣叫是求偶行为B.青蛙的生殖是体内受精C.小蝌蚪用鳃呼吸D.成蛙水陆两栖-生物
下列动物中生殖发育离不开水域环境的是()A.家鸽B.蟾蜍C.家兔D.壁虎-生物
某科研小组在研究蛙的生长发育过程时,发现了生活在某山区中的个别青蛙发育过程如图.利用所学知识请回答下列问题:(1)该山区的土壤,饮水和食物中缺碘,使生活在该环境中的部-生物
“黄梅时节家家雨,青草池塘处处蛙”,雄性青蛙鸣叫的目的是[]A.招引雌蛙B.寻找食物C.练习发音D.逃避敌害-八年级生物
下图为形态结构、生活习性互不相同的几种动物,请分析回答:(1)在生物分类上,上述五种动物所属最大共同单位是。(2)动物的分类除了要比较外部的形态结构,往往还要比较动物的-八年级生物
对蛙的受精卵孵化条件的叙述,合理的是[]A.没有成体的保护,所有的受精卵将无法孵化B.所有的受精卵在孵化过程中都需要一定的条件C.所有的受精卵在孵化过程中的营养物质一定来-八年级生物
青蛙从幼体到成体,不可能出现的变化是[]A.鳃消失B.尾消失C.体表出现鳞片D.长出四肢-八年级生物
下列哪项不属于青蛙的生殖行为[]A.雄蛙的鸣叫B.雌雄青蛙的抱对C.雌青蛙产卵D.蝌蚪变成青蛙-八年级生物
青蛙的发育过程与家蚕的发育过程的相同点是①变态发育②经过蛹期③将卵产生水中④有性生殖[]A.①③B.①④C.②③D.②④-八年级生物
在四川省一个林场附近的公路上,曾出现过10万只青蛙集群行进。这是青蛙[]A.在迁移B.寻找食物C.寻找水源充沛、水质良好的产卵场所D.进行群行为-八年级生物
青蛙的生殖方式是[]A.有性生殖B.无性生殖C.孢子生殖D.分裂生殖-八年级生物
两栖动物的生殖和幼体发育必须在水中进行,幼体要经过变态发育才能到陆地上生活。[]-八年级生物
下列哪一项不是成蛙的特征[]A.能在水中游泳B.能够生活在陆地上C.能用鳃呼吸D.能用肺呼吸-八年级生物
_____ Mr. Rowan Atkinson acts as different comic characters, he is more famous around the world ____
I don't think I'll need any money, but I'll bring some ____. [ ]A. at last B. in case
The students competed ____ the honor of winning ____ each other ____ the school sports meet. [ ]A. f
_____ finish their task (任务), the students worked harder and harder.[ ]A. So as toB. As to C. In ord
The criminal _____ fire to a store and after a moment the whole store _____ fire. [ ]A. made a; lit
In no case ______go ______the law of nature or we'll meet endless suffering. [ ]A. we can; by B
It is reported that a merchant ship sank fifty miles ______ the French coast. [ ]A. on B. by C. alon
He wants to see changes in the company and I am sure he will ______. [ ]A. on time B. at a time C. a
What he did _____ what he said moved us. [ ]A. more than B. rather thanC. less than D. no more than
China daily is _____ a newspaper, it can help us learn English. [ ]A. more than B. no more than C. n
We got lost in the dark forests. _____, it began to rain. [ ]A. Beside B. Besides C. Expect D. Thoug
My father served in the army in _____when he was in _____. [ ]A. 1950's; twenties B. the 1950
It's the protection for trees that matters, _____ how many trees are planted.[ ]A. instead of B
It turned out to be a good harvest of wheat this year, ____ lack of rain. [ ]A. regardless of B. in
— Did you walk to school this morning? — No, we went by bus _____. [ ]A. instead of feet B. instead
短文改错。此题要求改正所给短文中的错误。对标有题号的每一行作出判断;如有错误(每行只有一个错误),则按下列情况改正:该行多一个词:把多余的词用斜线(\)划掉,在该行右边-高二英语
I'm your class today so you must doI tell you. [ ]A. instead of, what B. in the form of, like C
If you follow the doctor's advice, you'll look and feel much better ______. [ ]A. at no ti
短文改错。此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(V);如有错误(每行只有一个错误),则按下列情况改正:此行多一个-高一英语
The film was terrible. It wasn't _____ to the teenagers. [ ]A. benefits B. benefited C. of litt
— Are you familiar ___ the music?— Yes. The music is very familiar ___ me, but I can't remember
____ make us understand the whole story, our foreign teacher Jennifer told it very slowly. [ ]A. In
When his parents were out on vacation, the house was left ______ Dick. [ ]A. in charge of B. in the
People from England made voyages to conquer other parts of the world and _____ that, English began t
、连线题(4分)动物能进行各种有利于个体生存和繁殖的活动。请将以下相关的内容连线。-八年级生物
If you are too formal, people around you won't be _____. [ ]A. at ease B. in danger C. in commo
I don't think it was an accident at all. Your brother did it _____. [ ]A. for purpose B. on pur
Stressful environments lead to some unhealthy behavior such as a poor eating habit, which _____ incr
青蛙的个体发育过程是()A.雌雄同体、体内受精B.雌雄同体、体外受精C.雌雄异体、体内受精D.雌雄异体、体外受精-八年级生物
Nowadays more and more young people are fond _____ playing tennis. [ ]A. on B. to C. in D. of -高一英语
This building was modelled _____ the Catholic church. [ ]A. with B. to C. after D. as -高一英语
Never lose much time _____ you should make use. [ ]A. that B. which C. of which D. of that -高一英语
In my opinion, work provides us much ______ just salary and income; it also helps us realize our dre
返回顶部
题目简介
下列动物不属于变态发育的是()A.蜜蜂和蟾蜍B.家鸽和家鸡C.青蛙和蟾蜍D.苍蝇和蚊子-生物
题目详情
答案
蛾,蝶,蝇的变态,由受精卵开始,要经过幼虫、蛹和成虫四个阶段.而且幼虫和成虫差别很明显,这样的变态发育称为完全变态.像这样的还有蚊、蝇、菜粉蝶、蜜蜂等.
有些昆虫的发育经过卵、幼虫(若虫)和成虫三个阶段,而且幼虫和成虫差别不明显,这样的发育过程叫做不完全变态.如蝉、蟋蟀、蚱蜢、蝼蛄等.
故选:B