Relative Dating Review

Which important geologic event in New York State occurred just after the Grenville Mountains were starting to erode?

• Pangaea began to break up.

• The Iapetus Ocean began to open.

• The Catskill Delta formed.

• The Taconic Mountains were eroded.

The X on the map below indicates the region where the state of Washington is located on the present-day North American continent. During which geologic period was the region of Washington State closest to the equator?

• Cretaceous

• Triassic

• Mississippian

• Ordovician

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Plants and animals first began to appear in land environments during the ____________ period.

Which life-form existed on Earth for the shortest period of time?

• Dinosaurs

• Trilobites

• Ammonoids

• Placoderm fish

Tags

NGSS.MS-LS4-1

Which New York State index fossil is classified as a coral?

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Which pair of organisms existed when the unconsolidated sediment in layer A was deposited?

• birds and trilobites

• dinosaurs and mastodonts

• ammonoids and grasses

• humans and vascular plants

Tags

NGSS.MS-LS4-1

According to the data table, more than half of brachiopod species became extinct at the end of the _______________ period.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which index fossil has been found in Ordovician-age bedrock?

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Tags

NGSS.MS-ESS1-4

During which geologic time period was rock layer C deposited?

Tags

NGSS.MS-ESS1-4

During the late Silurian epoch, very salty seas extended from New York State to Michigan. These environmental conditions resulted in the formation of halite layers. At the same time, Eurypterus remipes lived in nearby environments. Both the halite layers and Eurypterus remipes fossils can now be used to identify a specific geologic time interval because both formed over a...

• large geographic area and in a short geologic time

• large geographic area and in a long geologic time

• small geographic area and in a short geologic time

• small geographic area and in a long geologic time

Tags

NGSS.MS-ESS1-4