But the discovery of silica structures characteristic of grass in fossilized dinosaur droppings show that they did 但是從恐龍糞便化石中發(fā)現(xiàn)了青草硅結(jié)構(gòu)特征,這表明它們確實(shí)相遇過。
Swedish geologists have found fossilized feces from a worm that lived some 500 million years ago , media reports said wednesday 瑞典地質(zhì)學(xué)家最近發(fā)現(xiàn)了約5億年前的一只小蟲遺留下來的糞便。
The tiny , delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized 微小纖細(xì)的骨骼通常在石化前就被食腐肉的動物拆散了,或者被風(fēng)化作用破壞掉了。
They then ground up the pieces of fossilized dung , known as coprolites , and looked for phytoliths , microscopic pieces of silica from plant cells 他們將恐龍糞便化石(即糞化石)顆粒碾碎,尋找植物微粒,即植物細(xì)胞中的微小硅粒。
The institute of vertebrate paleontology and paleoanthropology , part of the academia sinica in beijing , houses the fossilized teeth of the dinosaur beipiaosaurus 北京中科院脊椎動物古生物古人類研究所擺放著一只北票龍的牙齒化石。
Swedish geologists have found fossilized feces from a worm that lived some 500 million years ago , media reports said wednesday 瑞典地質(zhì)學(xué)家最近發(fā)現(xiàn)了約5億年前的一只小蟲遺留下來的糞便?,F(xiàn)在,這小堆糞便已經(jīng)成為了頗有研究價(jià)值的化石。
And distinctive layered patterns in the fossilized sediments indicated that the water that deposited them was no longer flowing north ; instead it flowed eastward 而化石沉積物中特有的層狀構(gòu)造,則顯示沉積泥沙的水流不再往北,而改向東流。
The fossilized remains belonged to the ornithopod ( having legs or feet like those of a bird ) family . said jin liyong , curator of the museum of jilin university 該恐龍殘骸屬于鳥腳亞目恐龍(象有腿和腳的鳥一樣) ,據(jù)吉林大學(xué)博物館館長金利勇講。
Now swedish researchers studying “ coprolites ” ? fossilized dino doo ? have discovered tiny silica crystals characteristic of relatively evolved grasses 專門研究動物糞化石的瑞典科學(xué)家,現(xiàn)在卻在恐龍糞化石里發(fā)現(xiàn)了微小的矽結(jié)晶,這是較進(jìn)化草種的特徵。
Seoul - the world ' s oldest fossilized webbed footprints of birds , believed to be 110 million years old , have been found on a south korean island 韓國科學(xué)家們最近在該國一個(gè)島嶼上找到了世界上最為古老的蹼狀鳥類足跡化石,據(jù)悉這些化石距今已有1 . 1億年之久。
set in a rigidly conventional pattern of behavior, habits, or beliefs; "obsolete fossilized ways"; "an ossified bureaucratic system" 同義詞:fossilised, ossified,