Earth's Evolution Over Time

The time line shows the evolution of life forms during the geologic time scale.Which statement is supported by the time line?

• Dinosaurs became extinct 150 million years ago.

• Birds evolved approximately 275 million years ago.

• Animals started inhabiting land approximately 300 million years ago.

• Insects and amphibians appeared approximately 325 million years ago.
  

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NGSS.MS-LS4-1

NGSS.MS-ESS1-4

The diagram shows a section of land that has been undisturbed and includes a fossil.What can be concluded about the fossil?

• The fossil is younger than the limestone.

• The fossil is older than the shale.

• The fossil is approximately the same age as the limestone.

• It is approximately the same age as the sandstone.

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NGSS.MS-ESS1-4

Pangaea refers to a...

• large supercontinent

• Greek superhero

• Tropical fern

• Mass extinction

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NGSS.MS-ESS2-2

A paleontologist just discovered a Flower fossil. In which layer do you think the fossil was found in?

• Cenozoic Layer

• Mesozoic Layer

• Paleozoic Layer

• Late Proterozoic Layer

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NGSS.MS-ESS1-4

The geologic time scale is divided up 4 large units of time called:

• Eons

• Eras

• Periods

• Epochs

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NGSS.MS-ESS1-4

Approximately how many years ago did Earth form?

• 460 years

• 460,000 years

• 4.6 million years ago

• 4.6 billion years ago

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NGSS.MS-ESS1-4

What is a mass extinction?

• The emergence of new life species to appear in a short time period.

• The emergence of very large species.

• The loss or death of a large species.

• The loss or death of many different species in a short time period.

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NGSS.MS-LS4-1

How are fossils created?

• Traces of organisms get turned into stone.

• Dead organisms are quickly buried for millions of years.

• Animals get trapped.

• All of the above

Which of the following is a requirement of index fossils?

• Lived over a vast time period but found only in one location

• lived only for a short time but was found all over the world

• Not a prevalent species at any time

• Still alive today

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NGSS.MS-LS4-1

If scientists found this fossil, what could they infer?

• what fish are like today

• that this fish lacked oxygen

• what kind of animal ate this fish

• that water once covered the area

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NGSS.MS-LS4-1