Exam 11: A Biography of Earth

Fault-block mountains,like those in the Basin and Range Province,are created when blocks rotate ________ along ________ faults.

Tree-sized relatives of the living ferns,club mosses,and scouring rushes were common in environments termed coal swamps during the ________ Period.

Why were mammals able to become the dominant species at the beginning of the Cenozoic?

Rock chalk contains many tiny algae shells and shrimp feces.This is evidence of which depositional environment?

How were mammals able to take over as the dominant class of organisms on Earth?

The first mammals appeared during the ________ Period.

Why did it take so long for true crust to form on Earth?

True continental crust did not form until the ________ Eon,when Earth had finally cooled enough for protocontinents to form.

________ provide evidence of past life,and thus help geologists understand how life,and the environments they lived in,changed throughout Earth's history.

Throughout Earth's history North America has hosted shallow inland seas.Why is the interior of North America dry today?

Rodinia and Pangaea are supercontinents that assembled during the ________ and ________,respectively.

The ________ seas were shallow inland seas that covered much of early Earth,including North America,and hosted much of the evolving life for many millions of years.

Which of the following images contains evidence of the earliest life to form on Earth?

Stromatolites are layered structures produced by the activity of ________.

The Hadean was a time in Earth history when ________.

Evidence of ________ preserved in the rock record are the existence of multiple shallow inland seas.

The Great Oxygenation Event occurred ~2.5 Ga and forced large amounts of ________ to precipitate out of the ocean.

Which of the Appalachian orogenies likely formed the largest mountain range?

Which of the following statements about the banded iron formations is true?

The ________ occurred due to the creation of many new ecological niches that formed as a result of the breakup of Rodinia.