Mesozoic Era

The dominant Mesozoic land animal that walked with legs directly below their hips

• plesiosaur

• dinosaur

• pterosaur

• reptile

What are the three periods of the Mesozoic Era from first to last?

• early, middle, late

• triassic, cretaceous, jurassic

• cretaceous, jurassic, triassic

• triassic, jurassic, cretacious

What was the major geologic event of the Mesozoic Era?

• the formation of North America

• the formation of inland seas

• the break up of Pangaea

• volcanism

The Mesozoic Era ended about ____________.

• 252 mya

• 33 bya

• 66 mya

• 252 bya

Some debate that dinosaurs were more like ____________.

• mammals

• amphibians

• fish

• birds

True or False: The Mesozoic Era has 3 periods.

• True

• False

Which hypothesis has the most evidence for the cause of the extinction event that ended the age of dinosaurs?

• asteroid impact
• ice age
• It's Obama's fault 
• mammal competition

What were the dominant animals of the Mesozoic Era? 

• fish
• reptiles
• mammals
• bacteria

Mass extinction of the dinosaurs marks the end of this era.

• Mesozoic 
• Cambrian
• Jurassic 
• Cenozoic 

Which of the following organisms made their first appearance during the Mesozoic?

• mammals
• birds
• flowering plants
• All of these