Dinosaurs

the troodon, t-rex , lambeosaurus, triceritops,anklyosaurus albertaceratops,stegoceras these ain't the half of it go to http://traumador.blogspot.com/2009/01/albertas-dinosaurs.html

They are larger for the larger dinosaur species and smaller for the smaller ones (just as an ostrich egg is much much larger than a robin's egg).

warmer

A Tyrannosaurus Rex's tail was about 15feet long.

Yes. All of the dinosaurs were gone long before human beings existed. Only woolly mammoths and saber-tooth tigers were contemporaneous with cavemen. These two animals are mammals and therefore not technically dinosaurs, which are lizards.

Disease has also been proposed as the killer of the dinosaurs. As the cretaceous period went on, more and more land bridges started to appear on the earth. The oceans started to dry up and the dinosaurs that were there were able to walk across the land that was there. As the dinosaurs searched for food they would walk over these new land bridges and find relatives of theirs from when the lands of the world were one. But land bridges brought more than dinosaurs looking for food into the new land. They brought all of the diseases that those dinosaurs had inside of them. The diseases did not hurt the dinosaurs because they were immune to them, but to the other dinosaurs they could be fatal and the other way around. In most cases disease in a species in not fatal and is a positive thing because it will wipe out the weak so only the strong survive to pass their genes on to the next generation, but in the dinosaurs case it might not have been that way.

The average weight of a brachiosaurus is in between 33-88 tons. The females are usually around 70 tons where males are around 80 tons. The baby brachiosaurus can vary from 33 tons to... well, adult sized.

Did you know: That the word dinosaur was not a word until the 1800s? The word used was dragon.

goblin sharks live in really deep parts of the ocean

Figuratively dinosaurs are still alive in animals such as Aligaters and Birds but if you mean like t-rexes and stuff like that it was about 300 millon years ago

Plesiosaurs, apatosaurus (just about all the sauropods), praeornis, archaeopteryx (a Jurassic bird), Brachyopomorpha, Stephanoceras, Pleurosaurus--most of the Jurassic species did not survive beyond the Jurassic.

Herbivores. Meat-eaters are carnivores, and those who eat both are omnivores.

It may eaten plant-eating dinosaurs such as gastonia,camarasaurus or brachiosaurus.

Because it's fossilised poop, and by analysing poo we can put together what went into the stomach to come out the other end like this. Such whether it contains undigested bits of food (like husks on some seeds, fish scales, insect chitin etc) or whether it had a high protein content etc. Even fossilised these things can be tested.

Most fossils have slowly been replaced by more durable mineral substances. So the fossil is not made of real bone. However, it was recently found that they do still contain remnants of the original bone, including proteins from the dinosaur itself.

The Dimetrodon would use its sail to hide from its predators

Ankylosaurids were short legged, plant eating dinosaurs covered in bony armor and armed with a tail club. The difference between ankylosaurids and nodosaurids is that nodosaurids had no tail club.

Yes, pterodactyl were from a branch of reptiles, and reptiles are vertebrates.

mr tyrannasaurus rex

Dinosaurs lived on all different continents in climates ranging from dry deserts in Pangaea and Asia to semi-arid plains in North and South America, polar forests that went dark all winter in Antarctica, semi-arid forests on the islands of Europe, mangrove swamps in North Africa, and coastal floodplains in North America. If you include the fact that birds are dinosaurs, though, than any habitat you can think of from the open ocean to the Arctic tundra to tropical rainforests and open grasslands has dinosaurs, even today.

Seismosaurus is a dubious name. The dinosaur is actually called diplodocus. Diplodocus was far larger than Baryonyx.

It is possible that many dinosaurs were able to swim. I´m sure the hadrosaurs (duck-billed dinosaurs) were capable of doing just that. However there weren't any that were built like seals or dolphins. Animals such as the icthyosaurs, plesiosaurs, and pliosaurs were all reptiles and not dinosaurs.

Like most large land animals today, most dinosaurs could probably swim, if only marginally. No known dinosaur has been found that actually lives in the water, though some evidently ate fish and lived near water.

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Humans are mammals; the earliest mammal fossils date from 165 million years ago - so roughly in the middle of the "age of the dinosaurs". The actual "earliest" mammal is a variation on the "chicken and egg" question; the 165 million year old fossil is known as a proto-mammal - having some of the characteristics.

The full story of *how* man evolved after the the extinction of the dinosaurs is, of course, enormously complicated, but in it's basics, mammals survived the mass extinction at the end of the Cretaceous (one suggestion is that the end of the Cretaceous was caused by the Earth cooling and the small, furry mammals were less likely to be killed by the colder weather). How man evolved from the small, shrew like mammals that survived is really the story of the evolution of any species; in a hostile environment, some members of a community will survive to breed and some won't. Characteristics of those that survive will get passed down to their offspring, eventually the offspring will be so different from their ancestors that they will become a different species.