- 1 Why did the dinosaurs die out?
- 2 What killed the dinosaurs?
- 3 When did the Trex go extinct?
- 4 What happened to T rex dinosaur?
- 5 What came after dinosaurs?
- 6 What was before dinosaurs?
- 7 Will humans go extinct?
- 8 Are dinosaurs still alive?
- 9 Who found the first dinosaur?
- 10 What was the tallest dinosaur?
- 11 Why did T. rex have small arms?
- 12 How did at Rex die?
- 13 What do T Rex eat?
- 14 What was a dinosaurs lifespan?
- 15 What dinosaurs had 500 teeth?
Why did the dinosaurs die out?
Evidence suggests an asteroid impact was the main culprit. Volcanic eruptions that caused large-scale climate change may also have been involved, together with more gradual changes to Earth’s climate that happened over millions of years.
What killed the dinosaurs?
For decades, the prevailing theory about the extinction of the dinosaurs was that an asteroid from the belt between Mars and Jupiter slammed into the planet, causing cataclysmic devastation that wiped out most life on the planet.
When did the Trex go extinct?
A wide range of plants and animals, both on land and in the sea, went extinct 65 million years ago. The ferocious Tyrannosaurus rex Article Mass Extinction Around 65 million years ago, something unusual happened on our planet-and we can see it in the fossil record.
What happened to T rex dinosaur?
This cataclysm occurred when an asteroid or comet the size of a mountain slammed into Earth, wiping out Tyrannosaurus rex along with the rest of the non-avian dinosaurs and bringing a sudden end to the Cretaceous period. Over a thousand dinosaur species once roamed the Earth.
What came after dinosaurs?
The good old days. About 60 million years ago, after ocean dinosaurs went extinct, the sea was a much safer place. Marine reptiles no longer dominated, so there was lots of food around, and birds like penguins had room to evolve and grow. Eventually, penguins morphed into tall, waddling predators.
What was before dinosaurs?
The age immediately prior to the dinosaurs was called the Permian. Although there were amphibious reptiles, early versions of the dinosaurs, the dominant life form was the trilobite, visually somewhere between a wood louse and an armadillo. In their heyday there were 15,000 kinds of trilobite.
Will humans go extinct?
Humanity has a 95% probability of being extinct in 7,800,000 years, according to J. Richard Gott’s formulation of the controversial Doomsday argument, which argues that we have probably already lived through half the duration of human history.
Are dinosaurs still alive?
Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.
Who found the first dinosaur?
In 1677, Robert Plot is credited with discovering the first dinosaur bone, but his best guess as to what it belonged to was a giant human. It wasn’t until William Buckland, the first professor of geology at Oxford University, that a dinosaur fossil was correctly identified for what it was.
What was the tallest dinosaur?
The Tallest Dinosaur Brachiosaurus – the most well known of the group – was 13 metres tall. Sauroposeidon was massive and probably grew to 18.5 metres tall making it the tallest dinosaur.
Why did T. rex have small arms?
What the team concluded is that the T-Rex could likely have turned its hands inward if it wanted to and it may have used its arms to hold prey in place or pull it closer. The idea here is that the T-Rex knew its jaws were its most potent weapon and so it used its arms to keep prey at the perfect biting distance.
How did at Rex die?
T. rex went extinct during the K-T mass extinction, about 65 million years ago. This extinction was probably caused by a catastrophic asteroid colliding with Earth. It is thought that a an asteroid 4-9 miles (6-15 km) in diameter hit the Earth off the coast of Mexico.
What do T Rex eat?
rex eat? T. rex was a huge carnivore and primarily ate herbivorous dinosaurs, including Edmontosaurus and Triceratops. The predator acquired its food through scavenging and hunting, grew incredibly fast and ate hundreds of pounds at a time, said University of Kansas paleontologist David Burnham.
What was a dinosaurs lifespan?
Early estimates of 300-year lifespans for the largest sauropods were based on comparisons with crocodiles and turtles, which have much slower metabolisms. The consensus is now that Apatosaurus and Diplodocus dinosaurs probably only lived for 70 or 80 years, which is about the same as an elephant today.
What dinosaurs had 500 teeth?
Bizarre 500 -toothed dinosaur Nigersaurus, you might remember, we named for bones collected on the last expedition here three years ago. This sauropod (long-necked dinosaur ) has an unusual skull containing as many as 500 slender teeth.