Dinosaur Knowledge Assessment

Dinosaurs, appearing 245 million years ago, evolved and diversified as Pangaea split. They are classified into Saurischia and Ornithischia based on pelvis structure. Dinosaurs varied in size and diet, with some being social. Most went extinct 66 million years ago, possibly due to an asteroid, but some evolved into birds. Their legacy continues through fossils and descendants.

What was the supercontinent called where the earliest dinosaurs appeared?

• Atlantis

• Gondwana

• Pangaea

• Laurasia

Into which two major groups did dinosaurs branch out based on their pelvis structure?

• Pterosauria and Ichthyosauria

• Ceratopsia and Ankylosauria

• Saurischia and Ornithischia

• Theropoda and Sauropoda

Which dinosaur was known to be barely larger than a chicken?

• Stegosaurus

• Compsognathus

• Brachiosaurus

• Tyrannosaurus Rex

What percentage of dinosaur species were carnivores?

• 20%

• 40%

• 50%

• 30%

Which dinosaur is known for hunting in packs?

• Deinonychus

• Triceratops

• Apatosaurus

• Velociraptor

What was the largest land animal to have ever lived?

• Spinosaurus

• Argentinosaurus

• Dreadnoughtus

• Brachiosaurus

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

• Volcanic eruptions

• Asteroid strike

• Disease outbreak

• Climate change

Which modern animals are considered descendants of some dinosaur species?

• Mammals

• Birds

• Amphibians

• Reptiles

What evidence suggests that some dinosaurs traveled in groups?

• Fossilized nests

• Footprints and trackways

• Bone structures

• Skin impressions

How do we know about the existence and characteristics of dinosaurs today?

• Modern technology

• Oral traditions

• Fossils and descendants

• Ancient texts