Scientists have found out what a 75-million-year-old tyrannosaur ate for its last meal. It turns out that it had two baby dinosaurs as its meal. This new discovery tells us more about how these predators ate. The remains of the tyrannosaur and the small dinosaurs it ate show that tyrannosaurs changed what they ate as they grew. The dinosaur they found is a young gorgosaurus, which is a close relative of the T. rex. It was about seven years old and weighed around 330kg when it died. They found the hind legs of two small bird-like dinosaurs called citipes under its ribcage.
Before this discovery, scientists already knew that adult gorgosaurs hunted and ate large plant-eating dinosaurs. They knew this because they found bite marks on the bones of the larger dinosaurs that matched the teeth of the tyrannosaurs. Adult tyrannosaurs would eat anything, attacking big prey and biting through bone to get to the meat. But the smaller, younger tyrannosaurs couldn't hunt big plant-eaters yet. Instead, they probably went after smaller, young dinosaurs.
They found the fossil with the young gorgosaurus and its prey in the Alberta Badlands in 2009. It took a few years to prepare the fossil, and they didn't realize there was prey inside right away. Eventually, they found the complete hind legs of two baby dinosaurs. The scientists think that the gorgosaurus was especially interested in the drumstick part of its prey.
The gorgosaurus is a bit smaller and older than the T. rex. As they got older, gorgosaurs changed. Young ones had longer legs and sharp teeth, while adults had rounder teeth. This special fossil shows that young gorgosaurus had a different way of eating than adults. Adults used their strong teeth to bite and scrape, but the young gorgosaurus picked and even cut up its prey. It bit off the legs and swallowed them whole.
This discovery shows that tyrannosaurs were not just big, scary creatures, but they were also smart eaters. It also changes how we think about the T. rex. In movies like Jurassic Park, the T. rex is shown chasing after cars. But in reality, it would have been the younger, more agile dinosaurs, like the gorgosaurus, that would do that kind of thing.
Original news source: Tyrannosaurβs last meal was two baby dinosaurs (BBC)
π§ Listen:
π Vocabulary:
Group or Classroom Activities
Warm-up Activities:
– Charades
Instructions: Divide the class into small groups. Each group will take turns acting out different animals or dinosaurs mentioned in the article while the other groups try to guess which one it is. Encourage students to use physical gestures and body language to convey the animal or dinosaur they are portraying.
– News Summary
Instructions: Ask students to read the article individually or in pairs. After they have finished reading, have them write a brief summary of the main points of the article in their own words. They should focus on the discovery of the dinosaur's last meal and how it changes our understanding of tyrannosaurs' eating habits.
– Opinion Poll
Instructions: Divide the class into pairs or small groups. Ask students to discuss and share their opinions about the new discovery. They should consider questions such as: What do they find most interesting about the discovery? How does it change their perception of tyrannosaurs? After discussing, have each group present their opinions to the class and facilitate a class discussion.
– Vocabulary Pictionary
Instructions: Create a list of key vocabulary words from the article (e.g. tyrannosaur, gorgosaurus, prey, bite marks, etc.) and write them on separate cards. Divide the class into small groups and give each group a set of vocabulary cards. One student from each group will select a card and silently draw a picture to represent the word, while the other group members try to guess the word. Encourage students to use their knowledge of the article to help them guess.
– Future Predictions
Instructions: In pairs or small groups, ask students to discuss and make predictions about what other interesting discoveries scientists might make about dinosaurs in the future. They should think about how these discoveries could change our understanding of dinosaurs. After discussing, have each group share their predictions with the class.
π€ Comprehension Questions:
Answer: Scientists discovered that the 75-million-year-old tyrannosaur had eaten two baby dinosaurs for its last meal.
Answer: The remains of the tyrannosaur and the small dinosaurs it ate helped scientists understand how these predators ate by showing that tyrannosaurs changed what they ate as they grew.
Answer: They found a young gorgosaurus, which is a close relative of the T. rex, that had eaten the two baby dinosaurs.
Answer: The gorgosaurus was about seven years old and weighed around 330kg when it died.
Answer: Scientists knew that adult gorgosaurs hunted and ate large plant-eating dinosaurs because they found bite marks on the bones of the larger dinosaurs that matched the teeth of the tyrannosaurs.
Answer: The smaller, younger tyrannosaurs couldn't hunt big plant-eaters yet because they were not strong enough and didn't have the right teeth.
Answer: Scientists found the fossil with the young gorgosaurus and its prey in the Alberta Badlands in 2009.
Answer: The way young gorgosaurus ate differed from the way adults ate. Young gorgosaurus picked and even cut up its prey, while adults used their strong teeth to bite and scrape.
π§βοΈ Listen and Fill in the Gaps:
Scientists have found out what a 75-million-year-old tyrannosaur ate for its last meal. It turns out that it had two baby s as its meal. This new discovery tells us more about how these predators ate. The of the tyrannosaur and the small dinosaurs it ate show that changed what they ate as they grew. The dinosaur they found is a young , which is a close relative of the T. rex. It was about seven years old and weighed around 330kg when it died. They found the hind legs of two small bird-like dinosaurs called citipes under its . Before this discovery, scientists already knew that adult gorgosaurs hunted and ate large plant-eating dinosaurs. They knew this because they found bite marks on the bones of the larger dinosaurs that matched the of the tyrannosaurs. Adult tyrannosaurs would eat anything, attacking big prey and biting through bone to get to the meat. But the , tyrannosaurs couldn't hunt big plant-eaters yet. Instead, they probably went after smaller, young dinosaurs. They found the fossil with the young gorgosaurus and its prey in the Alberta Badlands in 2009. It took a few years to prepare the , and they didn't realize there was prey inside right away. Eventually, they found the hind legs of two baby dinosaurs. The scientists that the gorgosaurus was especially interested in the drumstick part of its prey. The gorgosaurus is a bit smaller and older than the T. rex. As they got older, changed. Young ones had longer legs and sharp teeth, while adults had rounder teeth. This special fossil shows that young gorgosaurus had a way of eating than adults. Adults used their strong teeth to bite and scrape, but the young gorgosaurus picked and even cut up its prey. It bit off the legs and swallowed them whole. This discovery that tyrannosaurs were not just big, creatures, but they were also smart eaters. It also changes how we think about the T. rex. In movies like Jurassic Park, the T. rex is shown chasing after cars. But in , it would have been the younger, more agile dinosaurs, like the gorgosaurus, that would do that kind of thing.
π¬ Discussion Questions:
1. What is a tyrannosaur?
2. How would you feel if you found out what a dinosaur ate for its last meal?
3. Do you like learning about dinosaurs? Why or why not?
4. Do you think it's important for scientists to study fossils? Why or why not?
5. What do you think it was like to live during the time of the dinosaurs?
6. How do you think the gorgosaurus felt when it caught its prey?
7. Why do you think the gorgosaurus changed what it ate as it grew?
8. What do you think the drumstick part of the prey tasted like to the gorgosaurus?
9. How do you think the gorgosaurus used its sharp teeth to eat its prey?
10. Do you think it's surprising that the young gorgosaurus picked and cut up its prey? Why or why not?
11. Why do you think the gorgosaurus swallowed the legs of its prey whole?
12. How do you think the discovery of the gorgosaurus's last meal changes our understanding of the T. rex?
13. Do you think it's important to portray dinosaurs accurately in movies? Why or why not?
14. How do you think the gorgosaurus would have hunted if it were alive today?
15. Why do you think dinosaurs continue to fascinate people today?
Individual Activities
ππ Vocabulary Meanings:
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Words
Meanings
π‘ Multiple Choice Questions:
π΅οΈ True or False Questions:
π Write a Summary:
Write a summary of this news article in two sentences.
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