Tyrannosaurus Rex • Named By– Henry Fairfield Osborn • "tyrant lizard king“ • Carnivore (meat-eater) - T. rex ate large dinosaurs, like Triceratops • Where: Fossil have been found in the USA (in Montana, Texas, Utah, and Wyoming), Canada (Alberta and Saskatchewan), and east Asia (Mongolia). • Tyrannosaurus rex's arms were only about 3 feet long, and it had 2-fingered hands. T. rex had cone-shaped, serrated teeth that were continually replaced. http://www.enchantedlearning.com/subjects/dinosaurs/facts/Trex/
Question 1: Did T. rex live during the Jurassic Period? TrueFalse
WRONG!!! It actually lived millions of years later, during the late Cretaceous Period, roughly 85 to 65 million years ago.
Correct!! It lived millions of years later, during the late Cretaceous Period, roughly 85 to 65 million years ago.
Brachiosaurus • Named By - Elmer S. Riggs • “Arm lizard” • Herbivore (plant-eater) - it ate conifers, cycads, and ginkgos. • Fossils have been found in Colorado, USA, North America and Tanzania, Africa, and perhaps Portugal, Europe. • Unlike most other dinosaurs, the front legs of Brachiosaurus were longer than the hind legs (hence its name, "arm lizard"). http://www.enchantedlearning.com/subjects/dinosaurs/facts/Brachiosaurus/
Question2: Did the Brachiosaurus live in the Cretaceous Period? TrueFalse
WRONG!! Lived in the late Jurassic Period, about 156-145 million years ago.
Lived in the late Jurassic Period, about 156-145 million years ago. Correct!!
Brachiosaurus T. Rex