As dinosaurs grew into the behemoths of the Cretaceous period they evolved many extraordinary but apparently useless features including spikes, sails horns, crests and the tiny "arms" of tyrannosaurs. The program reviews these unusual features and discusses theories of why they exist.
Plot Synopsis:
------------------- As dinosaurs grew into the behemoths of the Cretaceous period they evolved many extraordinary but apparently useless features including spikes, sails horns, crests and the tiny "arms" of tyrannosaurs. The program reviews these unusual features and discusses theories of why they exist.
Written byWritten by: David Foss

Carnotaurus is shown with relatively well developed and oversized hands with claws, when in reality this animal belonged to the abelisaur dinosaur group, which are famous for their underdeveloped arms that ended in stubby hands with only a single claw.
------------------------

dinosaur|speculation|cgi|archive footage|making a pun|reference to steven spielberg|mating ritual|t rex|edutainment|two word title|cretaceous|cretaceous period|f rated|big horn sheep|sloth|beak|oviraptor|musk ox|centrosaurus|chasmosaurus|head butt|triceratops|pachycephalosaurus|stegosaurus|parasaurolophus|giraffe|brain|teeth|styracosaurus|spine|giganotosaurus|growth ring|microscope|sauropod|jurassic|evolution|pangea|mating display|lemur|some scenes animated|tickling|anaconda|year 1905|skeleton|animal horn|carnivore|crocodile|tyrannosaurus rex|family tree|coelophysis|dinosaur fossil|jackhammer|paleontologist|dessert|

0