NGSS.MS-LS4-1

When an organism is completely wiped out of existence, we call it?

• extinction
• adaptation
• evolution
• inbreeding

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NGSS.MS-LS4-1

The gradual change in species over time is...

• Evolution
• Nucleotide 
• Adaptation
• Natural Selection

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NGSS.MS-LS4-1

The gradual change in species over time is...

• Evolution
• Nucleotide 
• Adaptation
• Natural Selection

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NGSS.MS-LS4-1

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct
• When multiple species from all over the earth suddenly go extinct 
• When one species goes extinct due to habitat changes
• When all life on earth is wiped out 

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NGSS.MS-LS4-1

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column

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NGSS.MS-LS4-1

Fossils of species that existed for  short periods and were widespread 

• trace fossils 
• index fossils 
• original remains 

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NGSS.MS-LS4-1

Fossils were discovered in four different sedimentary rock layers as shown below.

Which best describes the age of the fish relative to the age of the fern and the age of the shell?

• The fish is older than both the fern and the shell.

• The fish is younger than both the fern and the shell.

• The fish is older than the fern, but younger than the shell.

• The fish is younger than the fern, but older than the shell.

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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

• that water once covered the area where this fossil was found

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NGSS.MS-LS4-1

What do fossils teach us about?

• Everything we need to know about a plant or animal.

• They teach us about the past and the environment.

• Everything single living thing will become a fossil when it dies.

• That wooly mammoths are not extinct.

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NGSS.MS-LS4-1

Preserved fossils form when entire organisms or parts of organisms are prevented from decaying by becoming trapped in _____.

• amber, rock, soil

• dirt, mud, water

• ice, tar, amber

• sand, rock, ice

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NGSS.MS-LS4-1