WWB5L3R

Dinosaurs first appeared over 200 million years ago and died out 65 million years ago, That is a(n) __________________ of about 135 million years.

The world of the dinosaurs was vastly different from today's world. It is impossible to ____________ what is would have been like to live in those times.

The world a that time was a savage one of hunters and hunted. _____________creatures would have stood no chance in such a world.

Dinosaur skeletons are found buried in rock. It is __________that the bones and the rock are about the same age.

Most creatures living tens of millions of years ago left no trace behind. Only a smaller number happened to be__________ in rocks for us to discover.

A twenty-foot long Utahraptor may seem large, but it looks small when compared with the ________________ Tyrannosaurus Rex, measured fifty feet.

Its ten-inch claws and huge, sharp teeth give Tyrannosaurus Rex a scary look. It is probably the most _____________ looking of all the dinosaurs.

Dinosaur teeth tell scientist what kind of creature the teeth belonged to. They show whether the creature was plant - eating or ____________.

The largest of all dinosaurs ate only plants. They were not equipped to fight and were the natural _________________ of meat-eaters such as Tyrannosaurs Rex.

Did a meteorite hitting the earth cause the dinosaurs to die out? Scientists who once thought this explanation __________ now believe it to be correct.