比巨齿鲨还大的鲨鱼?
比巨齿鲨还大的鲨鱼是新西兰巨鱼龙。巨齿鲨在史前三大海洋巨头中体质只能排第二,巨鱼龙身形30米以上而巨齿鲨最大的身形在20米,体重比巨齿鲨大,达到311点5吨,咬合力能接近40吨,这种鲨鱼生活在2000万年以前的三叠纪,是目前已知的最大鲨鱼种类,它被称为是大白鲨的近亲。新西兰巨鱼龙的食性在1853年,Coles就发现鱼龙化石范围内有一些特别的东西,当时以为是鳞片,但是后来,经科学家们研究发现,其实这些是来自乌贼触手的小的钩状结构已经灭绝的头足类动物,大部分是箭石,鱼形鱼龙主要是以乌贼类为食,除了乌贼,鱼龙还吃鱼和其他海洋动物。简单地说,许多鱼形鱼龙是乌贼捕食者,就像现代的鲸鱼一样。
巨齿鲨怕什么鲨鱼?
巨齿鲨不怕其他鲨鱼。巨齿鲨巨齿鲨是有史以来最大的鲨鱼,生活在一千五百万年前,是史前海洋中最凶猛的掠食者,重一百一十吨,他的咬合力是大白鲨的五倍。他能掠食海洋中的任何生物,尤其是鲸类。特点:从目前发现的化石来看,成年巨齿鲨的牙齿可以长到18厘米长,相当于一个成年人的手掌长度。更令人感到不可思议的是,无论它们处于生长的什么阶段,它们的利齿随时都可以重新长出来。也就是说如果它们在捕杀猎物的时候不小心弄断了一个牙齿,用不了多久这颗牙齿又会长出来了。
鲨鱼用英语怎么说
鲨鱼的英语是shark,具体释义如下:读音:英 [ʃɑːk]、美 [ʃɑːrk] 表达意思:鲨鱼;骗子;诈骗;敲诈词性:通常在句中既可以作动词,也可以作名词。固定搭配:whale shark 鲸鲨例句:The shark described a circle around the shoal of fish. 这条鲨鱼围绕着鱼群游动。鲨鱼的生活习性:卵壳奇特,大小和形状随种类不同而有差异,最大者30cm、宽14cm、高9cm,为现生鱼类最大的卵,最小的卵长63mm、宽37mm,多数种卵壳呈长方形,四角有延长的卷须,用以缠绕在海藻、石块等物体上,进行孵化。多数鲨鱼受精卵在母体子宫内发育成胎儿,最后生出仔鱼。产出的胎儿数目多少不一,多者几十个,少者2-3个。
用英语介绍一种鲨鱼用6句话
如下:A couple of days ago, my dad and I go to the supermarket to buy things. Kingwe saw the sea shark, a shark that is cut in two, I think: sharks in the ocean so ferocious, and King of the sea anyway! But for now, or are we human beings killed, for sale, sell us to eat.In my opinion, there seem to be two kinds of sharks (character), but the fact that sharks have only one character, in my imagination, the first is: fierce sharks, second: no use of sharks. In these two species of shark, ferocious sharks is under what circumstances could use the title of it? Is swimming around in the ocean, and very handsome King in front of the sea. Useless shark is a shark be captured by humans, killing, for sale with title.In the evening, father settle when I went to bed, my dad said to me: "today we see that the shark was cut in two in the future will be eaten by humans, do we humans are cruel, don't you think? "I replied:" it's very cruel, but, if not cruel, we would starve. Because we still have to eat meat or something. Also, what other herbivores, for example eating cattle, sheep, and our homes not turned into a desert. Grass, we have better homes. But we are a little cruel. "Dad just smiled and walked out of my room.