Precambrian Time & Paleozoic Era Check-In

Which of the following are major events that occurred during Precambrian Time?

• formation of the atmosphere

• oceans form

• glaciers form

• all of these

In the beginning of Earth's history, the first atmosphere was mainly composed of ____________________.

• oxygen

• carbon dioxide and nitrogen

During Precambrian Time, there were no plants on Earth. Which type of organism was able to perform photosynthesis and create oxygen?

• viruses in the soil

• autotrophs in the oceans

• eukaryotic cells

• small marine animals

Tags

NGSS.MS-LS1-6

How old is the Earth?

• 2 million years old

• 4.6 million years old

• 3.5 billion years old

• 4.6 billion years old

Tags

NGSS.HS-ESS1-6

How did Paleozoic end?

• An asteroid hit Earth

• An ice age

• The mass extinction event occurred due to the formation of pangaea

• They got eaten by bigger predators

Tags

NGSS.MS-LS4-1

The time span that lasted the longest was the...

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

When did the first fish appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The majority of the organisms lived in the ocean or were marine life forms during the ______________________________.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

The Law of Superposition basically states that the rocks on the bottom layers are younger than rocks/sediment on the top layers.

• True

• False

Tags

NGSS.MS-ESS1-4

During the _________, virtually all animal groups on Earth evolved & inhabited the oceans.

• Cambrian explosion

• Silurian explosion

• Permian explosion

• Permian extinction