Exam 22: Mesozoic Earth and Life History

During the Jurassic and Cretaceous,the Appalachian range was eroded into a low-lying erosional surface.

The Permian/Triassic orogenic event that occurred with the collision of an island arc with the western margin of North America is called the ____ orogeny.

What are terranes? How are they recognized? What role did accretion of terranes play in the growth of western North America?

What was the pterosaur adapted to flight with?

All modern reptiles are ____.

The main commodity associated with large batholithic intrusions in the western United States is ____________________.

The corals that proliferated in the Mesozoic oceans were scleractinians.

In addition to expansion of reptile species during the Mesozoic,other life groups that showed an increase in diversity include which of the following?

The three phases of the Cordilleran orogeny in order from oldest to youngest were the ____________________,____________________,and ____________________.

What are greatly accelerated rates of extinction called?

The mountain building event that began in the Jurassic and continued into the Cenozoic is called the ____ orogeny.

How distinct were Mesozoic mammals from their reptile neighbors?

Cretaceous reefs of the Gulf Coastal region make excellent __________ __________

Low-grade copper deposits associated with large subduction related intrusions are called ____________________ deposits.

During the Mesozoic,climatic variation on Earth could be described as ____.

Scleractinians were very different from the corals of the Paleozoic seas.

Based on fossil evidence,the distinct fauna of South America began evolving in isolation by the Late Cretaceous.

The earliest mammals had a single line of descent into the monotremes,which are the ancestors for all modern mammals.

What is the origin of the uranium in the Colorado Plateau?

The interior of the North American continent was flooded during the Middle Jurassic by which Sea?