Early Jurassic Prosauropod - Massopondylus. Late Jurassic Sauropod - Apatosaurus ... Late Cretaceous Hadrosaur and Tyrannosaur- T. rex and Edmontosaurus ...
Each group included many different species. Entirely vegetarians ... Monoclonius. Styracosaurus. Types of Ceratopsia. Types of Ceratopsia. Torosaurus ...
Taming the T-rex And other dinosaurs CHALLENGING EARTH HISTORY: Part II The Data Elaine Kennedy, Ph.D. Geoscience Research Institute http://www.grisda.org
Dinosaur Evolution How do we know when dinosaurs lived? Layers of sedimentary rock & absolute dating Late Triassic (during Mesozoic) through end of the Cretaceous ...
... ants and bees Are these evolutionary arrivals unrelated to the ... 50 of the 500 modern families had arisen Cretaceous insect radiation New groups evolved ...
... roughly 18 feet (5.5 m) tall (measured from the ground to the ... Chasmosaurus was up to 16-26 feet tall (5-8 m) long. It weighed roughly 3.5 tons (3220 kg) ...
... C-14 Radiocarbon Types of carbon (isotopes ... Dating Used to date igneous and metamorphic rocks ... in the nucleus 8 8 Stable Oxygen 7 7 Stable ...
skin, hair, feathers, wings, cartilage and muscles, tendons, rare internal ... (complex carbohydrate molecule), common in trilobites and other arthropod shells ...
Lots of claws and teeth, including huge talon on one digit of forelimbs ... Dinosaurs were huge - could have been effectively homeothermic w/o endothermy ...
Some of the larger sauropod tracks are over a metre long and as deep as bathtubs. ... Roland Bird and crew examined a large set of sauropod trackways. ...
By. Brooke Guernsey. Click to begin! DINOSAURS. What is a dinosaur? ... Brooke Guernsey is currently a student at Western Michigan University in the ...