Geologic History and Earth's Timeline Quiz

Approximately 2.2 billion years ago, which gas was first added in large amounts to the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Methane

Most of the oceanic oxygen that began to enter Earth's atmosphere in the early Proterozoic was probably produced by what process?

• Volcanic eruptions

• Photosynthesis

• Meteor impacts

• Chemical reactions

Which sequence shows the correct order of Earth's geologic time intervals from oldest to youngest?

• Archaean, Proterozoic, Paleozoic, Mesozoic, Cenozoic

• Mesozoic, Paleozoic, Proterozoic, Archaean, Cenozoic

• Proterozoic, Archaean, Mesozoic, Paleozoic, Cenozoic

• Cenozoic, Mesozoic, Paleozoic, Proterozoic, Archaean

During what geologic period did plants and animals first appear in land environments?

• Cambrian

• Ordovician

• Silurian

• Devonian

During which geologic epoch do scientists infer the earliest grasses first appeared on Earth?

• Paleocene

• Eocene

• Oligocene

• Miocene

Based on this map, which life-forms were living on Earth when India was at position A?

• Nautiloids

• Ammonoids

• Crinoids

• Dinosaurs

Geologic Time is broken down into smaller parts called eons, ____, periods, and epochs.

• eras

• decades

• lightyears

• points

Tags

NGSS.MS-ESS1-4