Dinosaurs and Bird relations

What is the most primitive known bird?

• Pterodactyl

• Archaeopteryx

• Confuciusornis

• Tyrannosaurus

Which feature is common between modern birds and Archaeopteryx?

• Long snout with teeth

• Long tail formed by many vertebrae

• Three well-developed fingers with claws

• Feathered forelimbs

What did Confuciusornis lack compared to Archaeopteryx?

• Three separate bones in its hand

• Feathers

• A long tail

• Flying capabilities

What is a pygostyle?

• A type of dinosaur

• A dinosaur's claw

• A small bone in modern birds

• A type of feather

What is the relationship between birds and dinosaurs?

• Birds are distinct dinosaurs

• Birds are amphibians

• Birds are reptiles

• Birds are mammals

Which dinosaur group includes birds?

• Ceratopsians

• Sauropods

• Avialans

• Theropods

What feature did Archaeopteryx share with theropods?

• Feathered wings

• A long snout with teeth

• Wishbones

• Breastbones

What did birds eventually lose during their evolution?

• Wings

• Beaks

• Feathers

• Teeth

What is a common feature of modern birds?

• A single small bone called a pygostyle

• Teeth in their beaks

• Long tails with many vertebrae

• Three-fingered hands with claws

What did some Confuciusornis specimens have that was similar to a bird of paradise?

• Colorful feathers

• Long tail feathers

• A long snout

• Three well-developed fingers