Dinosaurs were some reptiles that lived in the Mesozoic Era before there were
human beings on Earth. They were oviparous, had four legs and a hard, scaly skin.
The Mesozoic Era is also called the Age of Reptiles
The oldest dinosaur fossils have been dated at 230 million years.
One of those ancestors of dinosaurs was Eoraptor.
It was 1 meter in length and 30 centimeters tall and weighed about 10 Kilos.
He lived in the late Triassic period.
They inhabited the Earth for over 150 million years, and then mysteriously disappeared.
There were reptiles from ferocious murderers to tender herbivores.
Dinosaurs had different features that endowing them for survival.
Carnivores have sharp teeth and claws adapted for hunting.
Some herbivores reached enormous size. Others possessed natural weapons such as horns.
A dinosaur skeleton you can find it buried in the ground where there were rivers and lakes.
As the dinosaurs became extinct 65 million years ago, we can now see their skeletons in
museums.
WHAT DID THEY EAT?
They were carnivores and herbivores.
There were giant herbivorous dinosaurs like Aparatosaurus, Brachiosaurus and Diplodocus,
the largest terrestrial vertebrates of all time.
Being herbivores lived in herds.
Although some were equipped with horns or armor, they were very peaceful animals.
Some walked on with their four legs and others used their hind legs.
His body was stronger than the carnivores and their forelegs used to be longer.
And there were bipedal carnivores like Velociraptor and Tyrannosaurus Rex.
Characteristics
