Geological Events and Fossil Record

Which era is known for the first appearance of abundant multicellular organisms, as indicated by the Ediacaran Fauna?

• Paleozoic Era

• Mesozoic Era

• Neoproterozoic Era

• Cenozoic Era

What major event is associated with the end of the Cretaceous period?

• First appearance of mammals

• Mass extinction of all non-avian dinosaurs

• First flowering plants

• First amphibians

Explain the significance of the Oxygen Revolution during the Proterozoic Eon and its impact on life on Earth.

• It led to the extinction of all life forms.

• It allowed for the evolution of eukaryotic organisms and more complex life.

• It caused the formation of the first rocks.

• It marked the beginning of the Cambrian period.

During which epoch did humans, mammals, and giant beavers exist together, according to the chart?

• Eocene

• Pleistocene

• Oligocene

• Paleocene

Which orogeny was caused by the collision of North America and Africa along a transform margin, forming Pangaea?

• Alleghenian orogeny

• Acadian orogeny

• Taconic orogeny

• Grenville orogeny

What is the inferred position of Earth's landmasses 230 million years ago according to the diagram?

• Continents clustered together as Pangaea

• Continents in their current positions

• North America and Africa separated

• Only North America and Europe together

Which fossil group is present throughout the entire time distribution shown in the chart?

• Stromatolites

• Trilobites

• Ammonoids

• Graptolites

Which fossil is represented by the letter "P" in the diagram?

• Isotelus

• Arctinurus

• Eurypterus

• Zitteloceras

How did the Acadian orogeny affect the geography of New York State?

• Caused by closing of Iapetus Ocean and collision of North America and Avalon

• Caused by separation of North America and Africa

• Caused by advance and retreat of continental ice

• Caused by intrusion of Palisades sill

Which event marks the beginning of the break up of Pangaea?

• Intrusion of Palisades sill

• Erosion of Acadian Mountains

• Advance and retreat of last continental ice

• Catskill delta forms