Scientists Study Dinosaur’s Last Meal
Around 110 million years ago, a dinosaur ate some plants, in what is now western Canada, before suddenly dying.
That creature is now giving important information about ancient plant-eating dinosaurs. Scientists reported recently that fossilized contents of the creature's stomach were found along with its skeleton.
The fossils were discovered in the Canadian province of Alberta. They are said to be the best-preserved remains of any plant-eating dinosaur. The stomach contents even show the cellular structure of leaves from the plants the dinosaur ate.
Caleb Brown is a paleontologist at the Royal Tyrell Museum of Paleontology in Alberta. He was the lead writer of a research report that appears in the online publication Royal Society Open Science.
Brown noted that direct evidence of the diet of plant-eating dinosaurs "is very rare."
The creature was about 5.5 meters long, weighed at least a ton and was a member of a group called nodosaurs. Its name is Borealopelta markmitchelli.
It had a wide body and a small head. Its body had bony skin and a large spike on each shoulder.
The creature's stomach had leaves from a kind of fern, as well as very few leaves of different kinds of evergreens. Charcoal, a black material left after things are burned, was also found in its stomach. To researchers, that finding suggests the dinosaur had been eating in an area that had recently had a fire.
Scientists also reported finding many gastroliths, or gizzard stones. These are objects swallowed by modern birds and other animals to help the stomach break down food.
I'm John Russell.
Her stomach trouble is much better than before.
Polly took a bite of the apple, chewed and swallowed.
Modern technology has opened our eyes to many things.
Several dinosaur skeletons have been discovered in the area.
5.These are objects swallowed by modern birds and other animals to help the stomach break down food.
break down 分解；发生故障；破裂
Their car broke down.
Talks with business leaders broke down last night.
6.The creature's stomach had leaves from a kind of fern, as well as very few leaves of different kinds of evergreens.
as well as 和...一样
They visited some factories, hospitals as well as the school.
Whoever did him in removed a man who was brave as well as ruthless.
该生物如今提供了有关古代食草恐龙的重要信息 。科学家最近报告称，发现了该生物的遗骸以及胃部的化石 。
这些化石是在加拿大艾伯塔省发现的 。据说，它们是保存最完好的食草恐龙 。胃部化石甚至能够显示出恐龙食用植物的叶子的细胞结构 。
卡勒布·布朗（Caleb Brown）是艾伯塔省皇家泰瑞尔古生物学博物馆的古生物学家 。他是这篇发表在《皇家社会开放科学》在线期刊上的研究报告的主要作者 。
这只恐龙身长约5.5米，体重至少一吨，属于结节龙类恐龙 。它的名称是Borealopelta markmitchelli 。
它的体型宽大，头部较小 。它的身体表层是由骨骼组成的甲壳，肩部各有一根巨大的尖刺 。
它的胃里面有蕨类植物的叶子，以及少数几种不同常绿植物的叶子 。在它的胃里面还发现了木炭，这是物体燃烧后留下的黑色物质 。对于研究人员而言，这一发现表明，这只恐龙曾在最近失火的地方觅食 。
科学家还报告称发现了许多胃石 。很多现代鸟类和其它动物也会吞下胃石帮助胃分解食物 。