Ancient Earth

During which eon and era did the Ediacaran Diversification occur?

• Phanerozoic / Mesozoic

• Archean / Neoarchean

• Proterozoic / Paleoproterozoic

• Proterozoic / Neoproterozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following is NOT a major event of the Archean Eon?

• Formation of the first continents

• Beginning of plate tectonics

• First appearance of eukaryotic cells

• Formation of the first oceans

What is the significance of the Proterozoic Eon in geologic history?

• It marks the formation of the first oceans

• It marks the first appearance of complex life forms

• It marks the extinction of dinosaurs

• It marks the formation of the supercontinent Pangaea

Tags

NGSS.MS-LS4-1

What marks the end of the Proterozoic Eon?

• The Cambrian Explosion

• The formation of the first oceans

• The extinction of dinosaurs

• The appearance of the first humans

Tags

NGSS.MS-ESS1-4

Reorder the following from largest time scale to smallest

• era

• epoch

• eon

• period

Tags

NGSS.MS-ESS1-4

Reorder the following biological events from most ancient to most recent

• Ediacaran Diversification

• Oldest eukaryotes

• Cambrian Explosion

• Earliest evidence of chloroplast

Match the following event to the geological eon/era

• Archean / Mesoarchean

• earliest life

• Proterozoic / Paleo-proterozoic

• Chloroplast origins

• Archean / Eoarchean

• Ediacaran Diversification

• Proterozoic / Meso-Proterozoic

• snowball earth

• Proterozoic / Neo-Proterozoic

• Earliest plate tectonics

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Based on current scientific evidence, how old is the Earth?

• 6,000 years old

• 460 million years old

• 4.4 billion years old

• 46 billion years old

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

During the formation of Earth, small space rocks are attracted to each other by

• gravitational forces

• light forces

• solar eclipses

• white dwarfs

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

During which eon did the first multicellular life appear on Earth?

• A) Archean

• B) Proterozoic

• C) Phanerozoic

• D) Hadean