When Dinosaurs Ruled

Many popular ideas about dinosaurs are myths or half-truths. Scientists use fossils and reasoning to build better explanations, but some questions remain open.

Paragraph A challenges general dinosaur myths. The next three headings ask about T. rex, flying reptiles, and extinction, then answer each question with examples.

The reading repeatedly contrasts familiar images with scientific ideas, often using phrases such as in reality and however.

The text says T. rex was too large to move very quickly and probably moved about as fast as an elephant.

It says T. rex may have been a scavenger that ate dead animals rather than only a powerful hunter.

The writer uses some scientists think, probably, and may have been.

It is a supporting example of a flying pterosaur. Its picture and caption also show a 5.5-meter wingspan and place it in Brazil 112–109 million years ago.

It suggests they dropped or threw themselves from trees, much like bats, rather than taking off from flat ground like birds.

No. The article explains that scientists view modern birds as dinosaurs’ descendants, so part of the dinosaur family is still alive.

A paleontologist is a scientist who studies fossils and life from the distant past.

They introduce examples: Troodon supports the idea that some small dinosaurs had large brains; movie images introduce the fast T. rex myth; Tupuxuara is an example of a pterosaur.

A myth here is a widely believed but inaccurate idea. A predator hunts animals. A scavenger eats animals already dead. A descendant comes from an earlier family line.

No. Small arms are one body feature, not direct proof of diet. Scientists also examine teeth, bite marks, movement, fossils, and comparisons with living animals.

Yes. The two choices are not necessarily opposites. Many modern predators hunt when possible and also eat animals they did not kill.

No. The article first has to classify the animal correctly: pterosaurs were close relatives of dinosaurs, not dinosaurs themselves.

The claim that some small dinosaurs had fairly large brains is supported by a named example, the two-meter Troodon. It is useful evidence, though one example does not describe every dinosaur.

No. It gives a short climate explanation but does not show the evidence or compare other causes. That makes extinction a good question for further research.

Check the date, author, evidence, and scientific organization behind each source. Explain the difference rather than silently choosing the answer you prefer.