What are the similarities and differences between the Chicken and the Tyrannosaurus Rex?
At first, scientists thought that dinosaurs were related to reptiles, but with research from bone and fossil material, they have formed a different view. In 2003, when scientists Jack Horner and Mary Schweitzer discovered unfossilised material inside the femur bone of a Tyrannosaurus Rex in Montana, America, they, and other zoologists and palaeontologists all over the world, documented that the Chicken and the Ostrich are living animals distantly related to the extinct theropod dinosaur Tyrannosaurus Rex (T-Rex). They said the next closest match is the Alligator.
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The Tyrannosaurus (Tyrannosaurus rex) is a large, bipedal, carnivorous theropod dinosaur in the Tyrannosauridae family. Its name means king of tyrants. It is commonly known as Tyrannosaurus Rex or T-Rex.
It lived about 68-66 million years ago in the Upper Cretaceous period.
The Tyrannosaurus had a large head and long, heavy tail. It had powerful hind (back) legs and very small front legs. It is bipedal, which means that is walks on two legs. Its back legs had two clawed digits. Its teeth were long, curved, and crenelated (notched).
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The Compsognathus (Compsognathus longipes) is a small, bipedal, carnivorous, theropod dinosaur in the Compsognathidae family. Compsognathus means dainty jaw. Bipedal means that it walks on two legs.
A skeleton was discovered in 1859 in Germany, and also in the south of France.
It lived about 150 million years ago in the Tithonian age of the Late Jurassic period.
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The Frilled-Necked Lizard (Chlamydosaurus kingii) is a medium-sized reptile. It is also known as the Frilled Agama or the Frilled Dragon. It is an agamid (a dragon lizard).
The Frilled-Necked Lizard has a large frilled collar around its neck. The frill stays mostly closed, but will open up when the lizard is startled, and also for courtship. It is mainly grey or brown with dark spots and blotches that are often red or orange. The colour depends on the lizard’s environment as a form of camouflage.
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