Dinosaur Quiz

When did dinosaurs first appear?

• 300 million years ago

• 100 million years ago

• 200 million years ago

• 400 million years ago

What is the name of the group consisting of the most recent common ancestor of Triceratops and modern birds, and all its descendants?

• Dinosauria

• Theropoda

• Sauropodomorpha

• Ornithischia

How many distinct genera of non-avian dinosaurs have paleontologists identified using fossil evidence?

• Over 700

• Over 500

• Over 900

• Over 1000

What is the estimated number of modern-day bird species (avian dinosaurs)?

• 10,000

• 7,500

• 5,000

• 12,500

What is the meaning of the name 'dinosaur' coined by Sir Richard Owen in 1842?

• Terrible lizard

• Powerful lizard

• Giant lizard

• Ancient lizard

Which group of animals were the dominant terrestrial vertebrates of the Mesozoic Era?

• Ichthyosaurs

• Mammals

• Pterosaurs

• Dinosaurs

What is the estimated number of dinosaur species that existed in the Mesozoic Era?

• 500-1000

• 1000-1500

• 2000-2500

• 1500-2000

What is the group containing Ornithischia and Theropoda called according to the research by Matthew G. Baron, David B. Norman, and Paul M. Barrett in 2017?

• Dinosauria

• Sauropodomorpha

• Theropoda

• Ornithoscelida

What is the characteristic posture of true dinosaurs?

• Erect hind limb posture

• Bent hind limb posture

• Straight hind limb posture

• Curved hind limb posture

What is the estimated number of dinosaur genera that ever existed, including many that would not have been preserved in the fossil record?

• 5,000-6,000

• 4,000-5,000

• 3,000-4,000

• 2,000-3,000