The Evolutionary Journey of Birds from Dinosaurs

What key feature makes birds unique compared to other animals?

• Their long tails

• Their feathered wings

• Their ability to swim

• Their sharp teeth

What was the significance of the Archaeopteryx fossil?

• It showed that birds evolved from amphibians

• It proved that birds are mammals

• It linked birds to reptiles

• It showed that birds evolved from fish

Which dinosaur did Thomas Huxley compare Archaeopteryx to?

• Compsognathus

• Velociraptor

• Tyrannosaurus Rex

• Stegosaurus

What discovery did John Ostrom make in 1963 that challenged previous views on dinosaurs?

• A dinosaur nesting ground

• A dinosaur with feathers

• A giant sauropod

• A small, agile dinosaur with a slashing claw

What feature of theropods was discovered that is also found in birds?

• A long tail

• Scales

• A wishbone

• Sharp teeth

What evidence did Jack Horner find that suggested dinosaurs cared for their young?

• Fossilized nests

• Dinosaur footprints

• Dinosaur eggs

• Dinosaur bones

What was the first feathered dinosaur discovered in Northeast China?

• Caudipteryx

• Velociraptor

• Sinosauropteryx

• Tyrannosaurus Rex

Why did the first feathers likely evolve?

• For flight

• For insulation and communication

• For camouflage

• For swimming

What is the term for the modification of an existing structure for a new use?

• Adaptation

• Co-option

• Evolution

• Mutation

What event caused the mass extinction of most dinosaurs 66 million years ago?

• A volcanic eruption

• A global flood

• A massive earthquake

• An asteroid impact