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ADVANCED LISTENING PRACTICE
THE AGE OF DINOSAURS
THE AGE OF DINOSAURS
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Audio Script
The Age of Dinosaurs, also known as the Mesozoic Era, was a time of great change and evolution on Earth. It spanned from approximately 252 to 66 million years ago. This era is divided into three periods: the Triassic, Jurassic, and Cretaceous. During this time, dinosaurs dominated the Earth, and their remains continue to fascinate and captivate people today.
The Triassic period, which occurred between 252 and 201 million years ago, saw the emergence of the first dinosaurs. These creatures were small and primarily bipedal with elongated hind limbs that allowed for efficient locomotion. They were also relatively slow-moving and not as agile as later dinosaurs. One of the most notable early dinosaurs was the eoraptor which was discovered in Argentina in 1991. Pterosaurs, a type of flying reptile, also emerged during this period.
The Jurassic period, which occurred between 201 and 145 million years ago, is perhaps the most well-known of the three periods. During this time, dinosaurs evolved into a diverse range of shapes and sizes. Herbivorous dinosaurs like the apatosaurus and stegosaurus roamed the land, while carnivorous dinosaurs like the allosaurus and velociraptor hunted for prey.
The Cretaceous period, which occurred between 145 and 66 million years ago, saw the emergence of even larger and more diverse dinosaurs. The Tyrannosaurus rex, which lived during this period, is perhaps the most well-known of all dinosaurs. This massive predator stood up to 20 feet tall and had powerful jaws that could crush bone. Other notable dinosaurs from this period include the triceratops, a herbivore with three horns on its head, and the ankylosaurus, a heavily armored dinosaur that used its tail as a weapon.
Despite their dominance, the dinosaurs were unable to survive a catastrophic event that occurred approximately 66 million years ago. This event, which is believed to have been a massive asteroid impact, caused widespread extinction among the dinosaurs and many other species. However, some dinosaurs did survive this event and evolved into birds which are still with us today.
The study of dinosaurs has captivated scientists and the public alike, for centuries. In the early 19th century, scientists began to study the bones of these ancient creatures, leading to a greater understanding of their anatomy and behavior. Today, paleontologists continue to make new discoveries and uncover new information about these fascinating creatures.
The Age of Dinosaurs, also known as the Mesozoic Era, was a time of great change and evolution on Earth. It spanned from approximately 252 to 66 million years ago. This era is divided into three periods: the Triassic, Jurassic, and Cretaceous. During this time, dinosaurs dominated the Earth, and their remains continue to fascinate and captivate people today.
The Triassic period, which occurred between 252 and 201 million years ago, saw the emergence of the first dinosaurs. These creatures were small and primarily bipedal with elongated hind limbs that allowed for efficient locomotion. They were also relatively slow-moving and not as agile as later dinosaurs. One of the most notable early dinosaurs was the eoraptor which was discovered in Argentina in 1991. Pterosaurs, a type of flying reptile, also emerged during this period.
The Jurassic period, which occurred between 201 and 145 million years ago, is perhaps the most well-known of the three periods. During this time, dinosaurs evolved into a diverse range of shapes and sizes. Herbivorous dinosaurs like the apatosaurus and stegosaurus roamed the land, while carnivorous dinosaurs like the allosaurus and velociraptor hunted for prey.
The Cretaceous period, which occurred between 145 and 66 million years ago, saw the emergence of even larger and more diverse dinosaurs. The Tyrannosaurus rex, which lived during this period, is perhaps the most well-known of all dinosaurs. This massive predator stood up to 20 feet tall and had powerful jaws that could crush bone. Other notable dinosaurs from this period include the triceratops, a herbivore with three horns on its head, and the ankylosaurus, a heavily armored dinosaur that used its tail as a weapon.
Despite their dominance, the dinosaurs were unable to survive a catastrophic event that occurred approximately 66 million years ago. This event, which is believed to have been a massive asteroid impact, caused widespread extinction among the dinosaurs and many other species. However, some dinosaurs did survive this event and evolved into birds which are still with us today.
The study of dinosaurs has captivated scientists and the public alike, for centuries. In the early 19th century, scientists began to study the bones of these ancient creatures, leading to a greater understanding of their anatomy and behavior. Today, paleontologists continue to make new discoveries and uncover new information about these fascinating creatures.
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