Geologic Time & Fossil Record Review

A fossil is

• an old rock

• a tree or tree-like plants having completely transitioned to stone by the process of permineralization

• the preserved remains or traces of animals, plants, and other organisms from the past.

• matter that settles to the bottom of a liquid.

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NGSS.MS-LS4-1

An index fossil is

• is a list of all fossils found in a particular layer of rock.

• is a fossil that is found in many locations over a large area, in the same rock layer, and is from a species that did not exist for a long period of time.

• is a particular fossil of an organism that is related to all other organisms.

• None of the above.

Tags

NGSS.MS-LS4-1

Which of the following best describes why some identical animal fossils have been discovered on opposite sides of the Atlantic Ocean?

• Some animals could cross the ocean.

• Strong winds and storms blew them there.

• The continents were once one large land mass.

• Nomadic people from different continents took them there.

Tags

NGSS.MS-ESS2-3

What is the term for the elimination of a species?

• Extinction

• Eras

• Fossil Record

• Rock Strata

Tags

NGSS.MS-LS4-1

What can trace fossils include?

• Teeth and bones

• Tracks and footprints

• Shells and fur

• Skin and feathers

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NGSS.MS-LS4-1

Where did trilobites live?

• Deep ocean trenches

• Shallow seas

• Mountain tops

• Deserts

Tags

NGSS.MS-LS4-1

Which continents show matching geological trends supporting Pangaea?

• North America and Europe

• South America and Africa

• Asia and Australia

• Antarctica and Asia

Tags

NGSS.MS-ESS2-3

A geologist discovered a fossil in a layer of rock. This is an index fossil. What can the geologist determine from this fossil?

• the age of rock

• a volcanic eruption

• the type of rock

• the water in the rock

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NGSS.MS-ESS1-4

What does the presence of marine fossils in a layer suggest about that layer's past environment?

• It was once a desert.

• It was once underwater.

• It was always a forest.

• It was a volcanic area.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What is one reason why the fossil record is incomplete?

• Not all organisms become fossils.

• All fossils have been found.

• Fossils are only found in deserts.

• Fossils are only found in forests.

Tags

NGSS.MS-LS4-1