Geologic Time & Rock Record Test

A large number of species die on different parts of Earth during a relatively short period of time.

• Mass exicution

• Mass extinction

• A tragedy

• A Pandemic

The Paleozoic Era is known for/as

• The age of the dinosaurs.

• The earliest era where prokaryotic life dominated the waters.

• Life moving from water to land. Reptiles start to be seen.

• The current era and is dominated by mammals.

The theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.

• The law of superposition

• The principle of Unconformity

• Uniformitarianism

• Correlative Processes

Approximately how old is the Earth?

• 2020 years old

• 4.6 billion years old

• 4.6 million years old

• 4.6 x 10⁸

Pangaea formed near the end of the Paleozoic Era. What was Pangaea?

• a species of lemur

• a lake in Brazil

• a giant landmass of continents

The remains or traces of once-living organisms; which form when specific conditions occur that preserve an organism’s remains.

• Fossil

• Leftovers

• Remains

• Uniformitarianism

A scientist says that layers Y and M are the same age. How does he know this?

• They are found in the same type of rock.
• They are the lowest layers.
• They have the same type of fossil.
• They are near each other.

Which of these was not in the Mesozoic Era?

• Triassic Period

• Silurian Period

• Jurassic Period

• Cretaceous Period

This ERA started with the "Cambrian Explosion" of life and ended with the "Great Dying" extinction event.

• Archean Eon

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Which of the following is known as the age of dinosaurs?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era