A: the nemesis theory is one of many it came from outer space theories of dinosaur extinction the idea is that a comet comes close to the earth every 26 million years and brings with it lots of debris that hits the planet, changes the weather and kills off lots of animals 65 million years ago it might have killed off dinosaurs, pterosaurs and big marine reptiles. Ark: survival evolved pet dinosaur disappeared when i logged back into server i tamed a dinosaur the other day, and when i came back to the same server my . As more clues have emerged, some seem to conflict that has made the identity of the dinosaurs’ true killer — an impact, volcanism or both — less clear, says paul renne he is a geoscientist at the berkeley geochronology center in california.
The alvarez hypothesis suggests the mass extinction of the dinosaurs was caused by an impact of a large meteorite on the earth, 65 million years ago some geologists have suggested the chicxulub crater, a site along the north-east coast of mexico's yucatán peninsula as the impact zone. Why did dinosaurs go extinct how did it happen update cancel answer wiki 2 answers what would happen if dinosaurs came back how did dinosaurs become extinct. Most kids are fascinated by dinosaurs at some point and “why did the dinosaurs disappear” at the target and watch the dinosaurs come to . Discuss the story with the students ask the students if they would like to live in the time of the dinosaurs sparking question: ask the students if they knew what happened to the dinosaurs what happened to these animals that once roamed the world why did the dinosaurs disappear give the students time to respond.
This is a more complicated question than people think most people are aware that 66 million years ago, at the end of the cretaceous period, the world experienced a mass extinction. The bible gives us a framework for explaining dinosaurs in terms of thousands of years of history, including the mystery of when they lived and what happened to them. Dinosaurs were the huge creatures that roamed on earth’s surface 230 million years ago but where did they disappear how did we even come to know that there were such creatures that came and disappeared long before we existed. Most people think of dinosaurs as big, ferocious and extinct reptiles that's largely true, but there are some misconceptions dinosaurs came in all shapes and sizes. When did the dinosaurs first appear on earth the oldest dinosaur types are known from rocks in argentina and brazil and are about 230 million years old.
People came up with all kinds of theories ranging from the plausible, that they gradually declined as the climate changed, to the ridiculous, that mammals ate their eggs or some kind of super virus knocked them out walter was the first person who came up with a robust theory that an asteroid killed off the dinosaurs. To find out exactly how beaks came to replace dinosaur teeth, the researchers had to look inside the animals' jaw bones dinosaur bone fossils are not simply rocky casts of the original bone, but they nearly always show all the internal structure. What would the world be like today, if the dinosaurs had survived more sign in if the dinosaurs had never died out, but even come to resemble us physically. The cretaceous is defined as the period between 1455 and 655 million years ago, the last period of the mesozoic era, following the jurassic and ending with the extinction of the dinosaurs (except birds). Top 10: dinosaur myths by john pickrell 1 humans lived alongside dinosaurs 2 mammals only came into being after the dinosaurs died out 3.
Did people exist during the dinosaur furry creatures that lived in burrows and came out only at night it wasn't until after the dinosaurs disappeared at . Dinosaurs and mammals evolved during a similar time period and may have sometimes come into direct competition, but it is unlikely there were also no marine mammals at the time, so they couldn't be blamed for wiping out marine reptiles. Before and after the dinosaurs, most terrestrial creatures were reasonably sized, with the odd exceptions (like the above-mentioned indricotherium) that proved the rule most likely, some combination of theories #1, #2 and #3, along with a possible fourth theory that we have yet to formulate, explains the huge size of dinosaurs in exactly what proportion, and in what order, will have to await future research.
Stole and ate dinosaur eggs before they could hatch this would explain what happened to dinosaurs that laid eggs but what about dinosaurs that were born live what about the sea animals and plants that died, too many scientists think that the dinosaurs died out because the earth became very cold most dinosaurs could not live in very cold weather. Astronomers and other scientists often speak of the extinction of dinosaurs on this earth they believe that dinosaurs disappeared from the earth some 65 million years ago, long before man came along.
How dinosaurs disappeared this theory which came up by two american where was everyone on the night/day all the dinosaurs disappeared from . Like all living creatures, dinosaurs evolved from preexisting ancestors here's an overview of what we currently know about dinosaur evolution. A summary of theories among paleontologists about why dinosaurs became extinct teachers teachers home lessons and ideas why did all dinosaurs become extinct.