Exam 11: A Biography of Earth

Did the dinosaurs walk on Pangea?

The earliest continental crust likely had a ________ composition.

The late Proterozoic Grenville orogeny is an event related to ________.

During the Hadean Eon Earth's surface was ________.

What caused the buildup of oxygen in the atmosphere at roughly 2.5 Ga?

The Himalayas were produced during the Cenozoic by the collision of southern Asia with ________.

Which of the following includes evidence used to determine the age of an event?

The most recent interval of Quaternary glaciation gave way to warmer,interglacial conditions ________ ago.

The Basin and Range Province contains an alternating series of fault-block mountains and basins created by ________ of the continent.

The fossil fish Tiktaalik made headlines in 2005 because it ________.

Why was the evolution of shells important for the diversification of life?

Which of the following organisms first evolved during the Cambrian Explosion?

Convergence along the western margin of North America during the Cenozoic gave way to rifting forces that created the characteristic topography of the ________.

The eon represented by abundant deposits of strata with shelly fossils is the ________.

The Taconic,Acadian,and Alleghenian orogenic events all led to uplift in the region of the modern ________.

Which eon saw the first single-celled organism?

Describe the circumstances that led to the formation of true continental crust during the Archean.

Which of the following would NOT be considered evidence for an orogeny?

Continental crust was only able to form once Earth's temperature had cooled enough for partial melting of the mantle to occur and produce basalt that was buoyant enough to stay afloat.Before this point small rafts of thin crust formed and remelted in a continuous cycle.What was the composition of these rafts?

The Western Interior Seaway reached its greatest level of continental inundation during the ________ Period.