Dinosaurs are a group of reptiles that have lived on Earth for about 245 million years
This is and ankylosaurus and it is known as the tank for it's think armor.
This is a trex and is the most well known dinosaur. This mostly ate any animal they could get.
This dinosaur is a patagotitan which mostly ate leafs which is why it had it's large neck.
This dinosaur is called a carnotarus. this was primarly a meat eater, but don't confuse it with a trex.