Dinosaurs

Like birds, Pterodactylus and all other pterosaurs had many tiny air sacs in its bones. The air sacs lowered the density of the pterosaur's bones, thus increasing its weight and making it easier for it to fly.

No. Dinosaurs (other than birds) all died 64 million years ago. The human line didn't distinguish itself from the apes until around 4 million years ago, so there's a 60-million-year gap in the record: no dinosaurs, no people.

Pterodactyls died out along with the dinosaurs and many other animal and plant species during the K-T extinction event. It is believed that an asteroid, along with other environmental changes, struck the Earth and contributed to the mass extinction. Dinosaurs, pterosaurs, and many marine reptiles were not able to cope, so they went extinct.

There were no marine dinosaurs. Reptiles often thought of as marine dinosaurs were mosasaurs, plesiosaurs, and icthyosaurs. They came to the surface to breathe, and they hunted fish and other sea animals for food.

Dinosaurs were a wide and varied group of animals that dominated Earth for more than 135 million years and that lived more than 230 million years ago. Despite their appearance and the meaning of their name, which is 'terrible lizards', dinosaurs were not lizards, but a completely different group of reptiles. Recent evidences found demonstrate modern birds evolved from some types of dinosaurs.

It has to be PREDATOR X. Without a shadow of a doubt. It had 3 times larger head span than a T-rex's. It weighed about 5 double decker buses and weighed more than 45 tonnes. T-rex has no chance.

There were hundreds of different types of dinosaur, so they did not all find food in the same way. If you want to know how a specific type of dinosaur found food, then type in the same question that you just typed in or clicked on, but instead of the word "dinosaurs", type in the name of the dinosaur you want to find out about.

It definitely depended on the type of dinosaur. Herbivores, like Triceratops and Apatosaurus would have constantly grazed on plants during their waking hours, probably like modern cows or elephants. I would assume large carnivores like T-rex would have eaten a tremendous amount of meat every few days, similar to large carnivores today, such as lions. Smaller carnivores, like Coelophysis, probably constantly hunted for small prey, and eat several "snacks" each day.

Most of the dinosaurs of long ago were considered cold-blooded creatures, or reptiles. However, studies have shown that some dinosaurs were warm-blooded. An example is that of the ancestors of birds or horses. The T-Rex is a cold-blooded dinosaur.

In Naruto, it shows Sasuke when he is younger playing with a dinosaur toy, which makes most people assume that he liked them when he was little. No one really knows whether or not he likes them now.

New York is not a region that has Mesozoic rock formations and therefore no dinosaurs have been found there. However Connecticut and New Jersey both have dinosaur bearing formations.

by digging up bones

It actually depends on the size and how rare it is. If it is really rare it could be up like $400 a tooth. But usually regular teeth are $50-$200. If it is an almost complete skeleton it could go up to the millions!

No it's alive todayYes he still is alive

yeah , as there is lot of Oil and gas which proof the existence of dinosaurs

many!!

main type is the braciosaurus (if that's how you spell it)

Scientists that study dinosaurs are called paleontologists.

Dinosaurs in the true sense of the word are extinct; however, there are a number of animals around that were alive at the time of the dinosaurs and have not changed much in appearance since that time: Coelacanth, monitor lizard, crocodiles and alligator's.

But, there are no Tyrannosaurus or Stegosaurus roaming around today.

Mammals no longer succumbed to carnivorous dinosaurs as prey and they no longer had to compete with dinosaurs for common food/resources.

velociraptor torosaurus irratator ankylosaurus saichania parasurolophus styracosaurus spinosaurus saltasaurus barosaurus hadrosaur triceratops iguanodon maisaura dilophlosaurus monophlosaurus and allosaurus

No, when dinosaurs were around, the only mammals at all were little tiny animals that looked like shrews.

Many well known dinosaur species lived during the Cretaceous Era. Species such as Triceratops, Ankylosaurus, Tyrannosaurus, Velociraptor, Iguanodon, and Parasaurolophus were all Cretaceous species.

No it is not a fear of dinosuars, it is a fear of thunder and lighting !

probably the mamouth, elephant, dynosaur, or the whale. I've never thought bout it. idk, maybe some of my answers r right.

nanotyrannus was a small tyranosaur, compared to T-rex. it most likeley hunted smaller dinosaurs, like tescelosaurus,or killed juvenilke animals. maybe it scavenged from troodon,tough nano-T was well capable to kill. so,possible prey are: tescelosaurus,troodon(maybe),juvinile dinosaurs(including t-rex young)