The oldest dinosaur types are known from rocks in Argentina and Brazil and are about 230 million years old. The most primitive of these types, Eoraptor, was a small meat-eating dinosaur. Because…
1 Preparing the site2 Exposing the fossil3 Mapping the site4 Site map5 Inner dressing6 Plaster field jacketIn the past, dinosaur digs were very different from what they are today. Fragile fossils…
Slashing clawChasing down preyDeath by poisonFlesh-eating dinosaurs had different methods of attack that varied with their size, agility, and victims. Large predators crept up on giant herbivores…
Running style of an ostrichHow a Tyrannosaurus stood upNo-one has ever seen a dinosaur in action. However, the bones and the joints of fossilized skeletons can give us clues as to how the animals…
Adaptationthe response of a living organism to changes in its environment.Agea unit of geological time, which is characterized by some feature (like an Ice Age).Ambera yellowish, fossilized tree…
Solar panelsTemperature controlHeat regulationIdeal body temperatureFuzzy raptorScientists cannot agree whether dinosaurs were coldblooded or warm-blooded. Cold-blooded animals, such as reptiles,…
Tree-top browserBalancing actLow browserVegetarian mouthsCretaceous food chainThroughout the dinosaur era, communities of dinosaurs were made up of plant-eaters (herbivores) and meat-eaters (…
Dating a dinosaur skeletonRock layers of a cliff faceIndex fossilsRadiometric datingThe Age of Dinosaurs was so many millions of years ago that it is very difficult to date exactly. Scientists use…
Head bangersFive-horned face with frillsRutting stagsHead crest for courtingAll animals must reproduce themselves if their species is to survive. Today’s animals have developed their own special…
Carnivore’s serrated toothCarnivore’s jaws for tearingCarnivore’s stomachHerbivore’s toothStomach stonesOrnithopod’s stomachFeatures of a sauropod’s stomachCarnivorous and herbivorous dinosaurs are…
