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Course: American Museum of Natural History > Unit 1
Lesson 1: What is a dinosaur?- What makes a dinosaur a dinosaur?
- What is and is not a dinosaur?
- What is and is not a dinosaur?
- How do dinosaurs get their names?
- How do dinosaurs get their names?
- Linking birds and dinosaurs
- How do we know which kinds of dinosaurs were most closely related?
- How do we know which kinds of dinosaurs were most closely related?
- Quiz: What is a dinosaur?
- Exploration Questions: What is a dinosaur?
- Answers to Exploration Questions: What is a dinosaur?
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Exploration Questions: What is a dinosaur?
Grab your notebook or computer and write out your answer to each of the following questions. Then compare your answer to the suggested answer found in the “Answers to exploration questions” article. Have fun! (Hint: the information needed to answer these questions can be found in the video and the articles.)
1. All dinosaurs evolved from the very first dinosaur, the common ancestor. What do scientists know about this common ancestor?
2. Archaeopteryx was the most primitive known bird. How was Archaeopteryx similar to modern birds? How was it different from modern birds, and more like advanced non-avian dinosaurs?
3. Explain how a cladogram works.
Want to join the conversation?
- Was spinosaurus quadruped all the time, or did it walk on two legs?(4 votes)
- well it could maybe swim but if it had to move to a new lake, it would walk on all fours.It would only walk on two legs if it was in the water floating or if it was waiting for fish to go by(2 votes)
- how can i tell if a velcioraptor is related to the arcyperix(3 votes)
- I can tell by their bones and how they act and eat.(2 votes)
- why are modern birds different from dinosaur birds and why ? because they both have wings(0 votes)
- First of all, modern birds have a worse sense of smell than dinosaur birds. Second, the dinosaur birds had teeth, modern ones do not. Lastly, the skulls of modern birds are a lot less deep.(3 votes)
- Why isnt a trex a omnivore chdjdnmsj(1 vote)
- what is t.rex stand for(1 vote)
- Tyrannosaurus rex(1 vote)
- spinosoraus?(or however you spell it)(1 vote)
- How iguanadon walked by on all it's fours and sometimes on his hind legs?(0 votes)
- it would lift its feet of the ground and put the support on its hind legs(0 votes)