Discovering Dinosaurs

When did the earliest dinosaurs appear?

• About 245 million years ago

• About 66 million years ago

• About 100 million years ago

• About 300 million years ago

What was the name of the supercontinent that existed when dinosaurs first appeared?

• Eurasia

• Laurasia

• Gondwana

• Pangaea

Which two major groups did dinosaurs branch into?

• Mammals and Reptiles

• Predators and Prey

• Saurischia and Ornithischia

• Carnivores and Herbivores

What characteristic was used to differentiate between Saurischia and Ornithischia dinosaurs?

• Length of their tails

• Number of legs

• Shape and orientation of their pelvis

• Size of their teeth

Which dinosaur is known as the largest land animal to have ever lived?

• Brachiosaurus

• Tyrannosaurus Rex

• Dreadnoughtus

• Stegosaurus

What percentage of dinosaur species were carnivores?

• 25%

• 40%

• 60%

• 75%

What is the most well-known explanation for the extinction of most dinosaurs?

• Volcanic eruptions

• An asteroid strike

• A pandemic

• Climate change

Which dinosaur had the longest neck?

• Velociraptor

• Mamenchisaurus

• Triceratops

• Allosaurus

What type of dinosaur is believed to have had the largest brain in relation to its body size?

• Stegosaurus

• Troodon

• Brontosaurus

• Ankylosaurus

During which geological period did the T-Rex live?

• Jurassic

• Triassic

• Cretaceous

• Permian