Geological Time Periods and Events

Which geological time period is the oldest?

• Cretaceous

• Precambrian

• Jurassic

• Paleozoic

Which geological time period is characterized by the formation of stromatolites?

• Jurassic

• Cretaceous

• Paleozoic

• Precambrian

During which geological time period did photosynthesis first occur?

• Jurassic Period

• Proterozoic Eon

• Cretaceous Period

• Paleozoic Era

Which geological time period is known for the great oxygen catastrophe?

• Cenozoic

• Jurassic

• Mesozoic

• Paleoproterozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS2-4

Which geological time period is also referred to as the 'Age of Bacteria'?

• Paleozoic

• Cretaceous

• Jurassic

• Precambrian

Which geological time period is believed to have experienced extreme glaciation?

• Jurassic

• Miocene

• Cretaceous

• Pleistocene

Which geological time period is the most recent?

• Holocene

• Jurassic

• Cretaceous

• Triassic

Which geological time period is characterized by the evolution of the Earth's atmosphere?

• Mesozoic

• Paleozoic

• Cenozoic

• Precambrian

Which geological time period is believed to have had both aerobic and anaerobic life forms?

• Proterozoic Eon

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

Which geological time period is known for the formation of the first continents?

• Proterozoic Era

• Paleozoic Era

• Mesozoic Era

• Archean Eon