Cretaceous Dinosaurs and Their Characteristics

The video explores the Cretaceous period, highlighting its semi-tropical environment and diverse dinosaur species. It delves into the evolution and diversity of predators, focusing on the formidable Acrocanthosaurus and other top predators of the mid-Cretaceous. The video also examines raptor-like dinosaurs and early relatives of Tyrannosaurus Rex, emphasizing their intelligence and social behavior.

What type of environment characterized the Cretaceous period in the region discussed?

• Desert

• Semi-tropical

• Arctic

• Mountainous

During which period did the Cretaceous begin?

• Triassic

• Permian

• Jurassic

• Devonian

How long did the Cretaceous period last?

• 50 million years

• 80 million years

• 100 million years

• 120 million years

Which dinosaur was the dominant predator at the end of the Cretaceous in North America?

• Velociraptor

• Spinosaurus

• Tyrannosaurus Rex

• Allosaurus

What was the top predator during the mid-Cretaceous when Borealopelta was alive?

• Acrocanthosaurus

• Velociraptor

• Tyrannosaurus Rex

• Giganotosaurus

What feature distinguished Acrocanthosaurus as a formidable predator?

• Feathered body

• Powerful arms with three-fingered claws

• Small size

• Long neck

Which dinosaur is similar to the raptor-like dinosaurs of the mid-Cretaceous?

• Triceratops

• Stegosaurus

• Brachiosaurus

• Utahraptor

How much did the early relatives of Tyrannosaurus Rex weigh?

• 1500 pounds

• 1000 pounds

• 200 pounds

• 500 pounds

What was a notable characteristic of the early Tyrannosaurus relatives?

• They had no teeth

• They were herbivores

• They had strong bite forces

• They were very slow

How would Borealopelta likely react to the early Tyrannosaurus relatives?

• Fear them

• Ignore them

• Laugh at them

• Run away from them