Which of the following is true about molds and casts

A mold forms when hard parts of an organism buried by sediments are gradually dissolved

A mold that becomes filled in with hardened materials forms a cast

A cast is a copy of the shape of an organism

The millions of fossils that scientists have collected are called

A really neat fossil collection

What is a mass extinction?

the extinction of many types of organisms at the same time

the extinction of all of Earth's species at ones time

the creation of many species at one time

How do fossils provide evidence that evolution has happened on Earth?

Fossils show how life forms present today are different than those from the past

Fossils show how the sizes of certain animals has changed drastically over millions of years

Fossils show that some species have gone extinct

Different sedimentary rock layers provide evidence for how the environment has changed over time

A fossil is the naturally preserved remains or traces of animals or plants that lived in the geologic past

is a solid collection of mineral grains that grow or become cemented together

images created by removing part of a rock surfaces by incising, pecking, carving, and abrading

Is the science dealing with natural and artificial gemstone materials.

If scientists found this fossil, what could they infer?

that water once covered the area where this fossil was found

According to the law of superposition, the oldest fossils are found

Near the bottom of the rock layers

Mutations are important because they bring about

genetic variation needed for a population to evolve

death of the organism in which they develop

benefits for the individual, not for the population

Hardey-Weinberg equilibrium within a population

Two organisms that are closely related would have

completely different DNA sequence

Fossils Review

Authored by Charles Martinez

Science

8th Grade

49 Questions

NGSS covered

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

____________________ is a scientist who studies fossils.

paleontologist

fossil

preserved

extinct

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _____________________ is the remains or evidence of an ancient organism.

paleontologist

fossil

preserved

extinct

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When something is _____________________ it no longer exists.

paleontologist

fossil

preserved

extinct

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Something _____________________ has been kept from harm or change.

paleontologist

fossil

preserved

extinct

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to study fossils?

Fossils are evidence of organisms that lived long ago.

Fossils are fortune tellers.

Fossils are fun to study.

Fossils are found everywhere in the world.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which would be an example of a fossil?

Sedimentary Rock

Oyster Pearl

Dinosaur Footprint

Rotting Log

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the soft parts of a shark’s body not preserved in a fossil?

They are squeezed out when the shark is buried.

They are not made of mineral or rock.

They cannot be changed to rock.

They rot before fossilization can occur.

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Fossils Review

____________________ is a scientist who studies fossils.

A _____________________ is the remains or evidence of an ancient organism.

When something is _____________________ it no longer exists.

Something _____________________ has been kept from harm or change.

Why is it important to study fossils?

Which would be an example of a fossil?

Why are the soft parts of a shark’s body not preserved in a fossil?

Where are prehistoric animals preserved as whole animals?

Which Rock type would be best to find fossils?

Extinction → Loss of an entire type of organism

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