Dinosaur Quiz

Everything we know about dinosaurs is based on _________,

Paleontologists study them to know their lives.

Dinosaurs were dominant on Earth during the ________ Era.

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

Dinosaurs evolved from a type of

• reptile

• bacterium

• amphibian

• invertebrate

The evolution of a species or group is best described as

• completely random

• very slow and gradual

• sudden and unexpected

• occurring over a couple of years.

The main difference between dinosaurs and reptiles is their

• knees.

• rib cages.

• backbones.

• hip sockets.

Saurischian dinosaurs are known as

• fish-hipped

• bird-hipped

• lizard-hipped

• reptile-hipped

Most Ornithischian dinosaurs were

• fruitarian.

• carnivorous.

• omnivorous.

• herbivorous.

Kiara, a paleontologist, discovered a fossilized dinosaur skull with sharp, blade-shaped teeth. What could she infer from her findings?

• The dinosaur was a meat eater.

• The dinosaur was a plant eater.

• The dinosaur hunted in large groups.

• The dinosaur preferred to hunt alone.

Which of the following can not be learned from studying a dinosaur’s fossils?

• its size

• the color of its skin

• the type of food it ate

• the shape of its teeth

Dinosaurs lived on Earth for ________ years.

• 1 trillion

• 1 million

• 160 million

• 575 million