What was the largest dinosaur?
- The largest dinosaurs were sauropods, large quadrupedal, herbivorous dinosaurs with long necks, small heads, and long tails, which included Brachiosaurus and Supersaurus.
What color were dinosaurs?
- It is impossible to say since an animal's skin colors are produced by organic pigments which are not preserved in fossils.
What is the largest animal that has ever lived?
- The blue whale is the largest animal that ever lived on Earth. They are 80 feet long on average and weigh about 120 tons.
Which of these is not a dinosaur?
- Pterodactyls are not dinosaurs. They were a group of flying reptiles that lived at the same time as dinosaurs. There were no flying dinosaurs.
When did dinosaurs go extinct?
- Dinosaurs went extinct about 65 million years ago, at the end of the Cretaceous period.
What caused the extinction of the dinosaurs?
- The most widely accepted theory is that a large asteroid, several miles in diameter hit the Earth about 65 million years ago. This caused changes in the earth's atmosphere killing much life on earth.
Which dinosaur family was the smartest?
- The smartest (also some of the fiercest) dinosaurs were Dromaeosaurids. They had the largest ratio of brain weight:body weight (encephalization quotient or EQ). They included the Utahraptor, Velociraptor, and Deinonychus.
Who first coined the term dinosauria?
- Sir Richard Owen (1804-1892) was a British comparative anatomist who first coined the term dinosauria, from the Greek "deinos" meaning fearfully great, and "sauros" meaning lizard.
During what period did Tyrannosaurus rex live?
- The Cretaceous period (144-65 mya) is the last period of the Mesozoic Era when dinosaurs were at their height. It ended with the extinction of dinosaurs and many other prehistoric creatures.
Which one of these dinosaurs was most like a rhinoceros?
- Triceratops was a rhinoceros-like dinosaur that had three horns on its face. It also had one of the largest skulls of any land animal ever discovered.