The latest theory about dinosaurs suggests they may have lived mostly in the water, needing the buoyancy of aquatic life to support their huge frames here is a round up of other recent theories. Getting back to the butterfly extinction theory, some paleontologists believe that butterflies came on the scene and ate all the plant life (as caterpillars) and effectively destroyed the dinosaur food chain. Dinosaur extinction and the k-t boundary numerous causes for dinosaur extinction have been proposed some have suggested gradual extinction others argue for a catastrophic cause. Extinction of dinosaurs by jenn collins, meghan mccurdy, & jen bayer questions to consider name the theories outlining the dinosaur extinction how long ago did the asteroid hit the earth. The most recent and most familiar mass extinction is the one that finished the reign of the dinosaurs — the end-cretaceous or cretaceous-tertiary extinction event, often known as k-t the only.
Dinosaur extinction theories the first dinosaur bones were probably discovered by chinese scholars in antiquity however, in europe the first recorded discovery wasn't until 1677. According to this theory, too many meat-eating dinosaurs evolved, eating all the plant-eaters, causing all dinosaurs to die these ideas have the same pitfall described earlier they explain dinosaur extinction but ignore the extinction of other groups. There have been nearly one hundred different dinosaur extinction theories offered in recent decades these range from poisonous plants to mass suicide by dinosaur herds one particular extinction theory has gained wide acceptance since the 1980s it involves a major earth impact by an asteroid or. Both theories make note of the high concentration of iridium (ir) found buried in the sediments that separate the cretaceous period from the paleogene (known as the k-pg boundary formerly known as the k-t boundary), which, according to the conventional paradigm, was the period in earth's history during which the dinosaurs went extinct.
Extinction of dinosaurs two-hundred and thirty million years ago the first dinosaur-like creature roamed the earth dinosaurs were a very successful and diverse group, dominating the terrestrial environments of the earth for 160 million years. In order to be prepared for your presentation you'll need to start researching at least four different dinosaur extinction theories below are some useful websites and videos with information on several theories. The top ten weirdest dinosaur extinction ideas was one of the most peculiar characters in the field of paleontology—and his extinction theories were just as unusual early in the 20th. The extinction of the dinosaurs has long been considered a crime committed by a lone gunman: an incoming asteroid that struck the earth 65 million years ago, filling the air with sun-blocking dust now, however, controversy is being stirred anew as evidence suggests that the asteroid might have had.
Paleontologists are actively investigating what caused all nonavian dinosaurs to die out 65 million years ago most agree that the impact of a large asteroid or comet played a major role, while scientists continue to debate how volcanic activity or climate change caused by retreating sea levels might have contributed. They will need to compare the information gathered for different theories and then decide which theory they think is the most likely cause of dinosaur extinction (standard vii, objective 1, 2, 3) have a scientific conference. This is a picture of a recently discovered bird-like dinosaur that was discovered in china during late 2007 one of the greatest mysteries of all, besides the origin of the universe, is how the dinosaurs became extinct after ruling our planet for millions of years.
There was no escaping the extinction event for the dinosaurs, not even at the planet's poles, according to new research that supports the theory of an asteroid strike being the culprit a study. Theories of extinction of course, that method of extinction wasn't always favored by scientists when i was at school—back in the olden days, as my son is keen to point out—i was taught that the dinosaurs died out because their eggshells were getting gradually thinner, so that they started being eaten up by naughty, furry mammals. Was volcanic activity more common in the past particularly at the time of the extinction of the dinosaurs did toxic volcanic gases settle on the earth's surface poisoning the dinosaurs to answer these questions we must understand something about the structure and history of the earth the earth. Dinosaur extinction 1029 table 431 various theories of dinosaur extinction, mostly after benton (1990) with modifications many of the sources for these.
Paleontologists have long pondered what caused the extinction of the dinosaurs 66 million years ago and came up with some crazy theories while a spy proposed the dinosaurs suffered from. Meteors came hurtling to earth and stopped life as they knew it for the dinosaurs complete and instantaneous extinction is no longer the theory. I clearly remember the thrill of jurassic park, the apathy of jurassic park 2 and the disgust brought on by jurassic park 3rumors of jurassic park 4 are starting to surface again and that means either an awesome new direction or cinematic lung butter. The proposed theory, the gravity theory of mass extinction (gtme), is applicable to all of the major mass extinctions however, most of the emphasis will be directed to the cretaceous-tertiary (k-t) extinctions.
The cretaceous-tertiary extinction event, or the k-t event, is the name given to the die-off of the dinosaurs and other species that took place some 655 million years ago for many years. Get more facts about dinosaur extinction with the lesson called dinosaur extinction theories: lesson for kids you can read this lesson to learn about: dinosaur extinction theories. 2 dinosaur extinction theories quotes notes introduction why did the dinosaurs become extinct what happened over 65 million years ago to kill a species. The extinction, courtesy of the sun's evil twin, is said to have happened as the twin drifted away, influencing gravitationally/ hurling the asteroid that crashed into the earth, which led to the extinction of the dinosaurs.