It's a bird, it's a plane

What event caused the extinction of most dinosaurs?

• Volcanic eruptions

• Giant asteroid collision

• Climate change

• Earthquake

What trait did some theropod dinosaurs develop that later helped birds take to the skies?

• Scales

• Spikes

• Fur

• Feathers

What adaptation did some theropod dinosaurs have that helped them survive the changes 65 million years ago?

• Large size

• Sharp teeth

• Powerful wings

• Small body

What is the relationship between birds and dinosaurs?

• Birds are siblings of dinosaurs

• Birds are ancestors of dinosaurs

• Birds are descendants of dinosaurs

• Birds are not related to dinosaurs

What is one reason why some dinosaurs had a hard time surviving after the big changes?

• Lack of water

• Too much sunlight

• Too many predators

• Difficulty finding food