Evolution of Dinosaurs Quiz

What is the name of the fossil that is causing scientists to rethink the evolution of dinosaurs?

• Archaeopteryx

• Tyrannosaurus rex

• Teleocrater rhadinus

• Pterosaur

Which paleontologist first found fossils in Tanzania in 1933 that are now associated with the Teleocrater?

• Sterling Nesbitt

• Alan J. Charig

• F. Rex Parrington

• Richard Owen

According to the article, what is a characteristic feature of the Teleocrater that is also seen in chicken legs?

• A muscular hump on the back

• A large braincase

• A muscle scar on the thigh bone

• Two-legged walking

What discovery about Teleocrater's ankle was surprising to scientists?

• It had a 'bird-like' ankle

• It had a 'crocodile normal' ankle

• It had a 'tyrannosaurus rex' ankle

• It had a 'pterosaur' ankle

Which group of dinosaurs is more reminiscent of crocodiles than of theropods, according to the article?

• Pterosaurs

• Tyrannosaurus rex and allosaurs

• Teleocrater and its relatives

• Archaeopteryx

What is typical of animals that walk on two legs according to the text?

• They have high-thigh muscle scars.

• They have feathers for insulation.

• They are not like Teleocrater.

• They have fewer representatives among our current fossil records.

What did many physical features evolve for before being conscripted into other duties, as mentioned in the text?

• For eating displays.

• For insulation and mating displays.

• For walking on all fours.

• For successful bird adaptation.

According to the text, what may cause scientists to re-evaluate which ancient archosaurs they study?

• The discovery of high-thigh muscle scars in bird-branch archosaurs.

• The findings of successful non-dinosaur archosaurs.

• The need to fill more gaps in the understanding of long-gone species.

• The realization that ancient shared ancestors of crocodiles and dinosaurs may have looked more like crocodiles.

What does the text suggest about the success of dinosaurs for a long time?

• They were the only successful animals for about 180 million years.

• They were not as successful as birds today.

• They were just a small component of the big radiation of the relatives of dinosaurs.

• They were the most successful group among the non-dinosaur archosaurs.