Fossils

Fossil evidence can be used by scientists to prove which of the following?

• Organisms have been changing over time
• All of the organism that have ever lived on Earth have been discovered
• Organisms of the past are identical to those living today
• Organisms with bones and shells are more common than those that lack ( do not have) these structures

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NGSS.MS-LS4-1

Which rock layer most likely contains fossils of the most recently evolved organisms?

• 1
• 2
• 3
• 4

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Finding fossils of coral reefs in the Nevada desert provides evidence that:

• Nevada used to be much colder than it is today
• an ocean once covered what is now Nevada
• there was a mistake because no coral reefs exist in deserts
• ancient corals used to live on land

In layers of sedimentary rock, the _________ layer is usually at the bottom. Each higher layer is _________ than the layers below it.

• oldest, younger
• youngest, older
• youngest, younger
• oldest, older

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NGSS.MS-ESS1-4

_{Which of the following questions can be answered by studying  these fossil layers?} 

• What did the fish eat?
• Which organisms lived before/after/or at the same time?
• Why did dinosaurs become extinct?
• Are reptiles the ancestors to birds or fish?

Tags

NGSS.MS-LS4-1

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What can be learned about a fossil using relative-age dating?

• its age in years
• its age compared to other fossils
• its age based on radioactive decay

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NGSS.MS-LS4-1

The fossil record shows that:

• Most species have not evolved.
• Some species are evolutionary transitions between major groups of organisms.
• All species are today just as they were when they were created.
• All of the above.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

By which method have scientists determined that the Earth is about 4.5 billion years old?

• plate tectonics
• relative dating
• radioactive dating
• law of superposition

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NGSS.MS-ESS1-4

Which characteristic of carbon-14 dating helps scientists determine the approximate time a species became extinct?

• Carbon-14 is not present in more recent fossils
• Carbon-14 increases at a constant rate over time
• Carbon-14 decreases at a constant rate over time
• Carbon-14 can only be found in fossils of a certain period

Tags

NGSS.MS-LS4-1