- How did an asteroid caused the dinosaurs extinction?
- How powerful was the asteroid that killed the dinosaurs?
- Are dinosaurs still alive today?
- Can dinosaurs be brought back?
- Can we bring back the dodo?
- Has a dinosaur egg been found?
- Where did the asteroid that killed the dinosaurs hit?
- What really killed the dinosaurs?
- What would happen if dinosaurs came back?
- What if dinosaurs never went extinct?
- Are sharks dinosaurs?
- Why are dinosaurs not alive today?
How did an asteroid caused the dinosaurs extinction?
According to the paper, this mass extinction happened because the space rock slammed into an oily tinderbox, blasting enough soot into the atmosphere to cause extreme global cooling..
How powerful was the asteroid that killed the dinosaurs?
The Chicxulub impactor had an estimated diameter of 11–81 kilometers (6.8–50.3 mi), and delivered an estimated energy of 21–921 billion Hiroshima A-bombs (between 1.3×1024 and 5.8×1025 joules, or 1.3–58 yottajoules).
Are dinosaurs still alive today?
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.
Can dinosaurs be brought back?
While dinosaur bones can survive for millions of years, dinosaur DNA almost certainly does not. But some scientists continue to search for it – just in case. So it looks like cloning a dinosaur is off the table, but an alternate way to recreate the extinct animals would be to reverse-engineer one.
Can we bring back the dodo?
“There is no point in bringing the dodo back,” Shapiro says. “Their eggs will be eaten the same way that made them go extinct the first time.” Revived passenger pigeons could also face re-extinction. … Shapiro argues that passenger pigeon genes related to immunity could help today’s endangered birds survive.
Has a dinosaur egg been found?
In 1859, the first scientifically documented dinosaur egg fossils were discovered in France by Jean-Jacques Poech, although they were mistaken for giant bird eggs. The first scientifically recognized dinosaur egg fossils were discovered in 1923 by an American Museum of Natural History crew in Mongolia.
Where did the asteroid that killed the dinosaurs hit?
‘ The impact site, known as the Chicxulub crater, is centred on the Yucatán Peninsula in Mexico. The asteroid is thought to have been between 10 and 15 kilometres wide, but the velocity of its collision caused the creation of a much larger crater, 150 kilometres in diameter – the second-largest crater on the planet.
What really killed the dinosaurs?
Asteroid and Volcanoes Might Share the Blame. Did an asteroid impact or volcanic eruptions kill the dinosaurs? They may both be to blame. The asteroid or comet that smacked into Earth 66 million years ago might not be the only culprit behind the dinosaurs’ demise.
What would happen if dinosaurs came back?
The simplest case would be that the herbivores would get sick and die, like modern sheep or cows in the West that eat death camas or lupine. Some might end up tripping out, like humans eating ergot-infected rye or jimsonweed, or livestock eating Oxytropis or Astragalus “locoweeds”.
What if dinosaurs never went extinct?
“If dinosaurs didn’t go extinct, mammals probably would’ve remained in the shadows, as they had been for over a hundred million years,” says Brusatte. “Humans, then, probably would’ve never been here.” … Gulick suggests the asteroid may have caused less of an extinction had it hit a different part of the planet.
Are sharks dinosaurs?
Sharks. … Today’s sharks are descended from relatives that swam alongside dinosaurs in prehistoric times. In fact, the largest predator of all time was a shark called a Megalodon. It lived just after the dinosaurs, 23 million years ago, and only went extinct 2.6 million years ago.
Why are dinosaurs not alive today?
For many years, climate change was the most credible explanation for the dinosaurs’ demise. Dinosaurs thrived in the planet’s consistently humid, tropical climate. But in the late Mesozoic Era that corresponds with the extinction of the dinosaurs, evidence shows that the planet slowly became cooler.