Fossils and Extinction

What conclusion can you make about the ancient environment where this fossil was found?

• It was a desert.

• It was a forest.

• it was a marine environment.

• It was the arctic tundra.

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NGSS.MS-LS4-4

What conclusion can you make from this imprint?

• This organism probably flew

• This organism was swimming

• This organism is still alive.

• This organism probably walked in a moist environment, such as by a lake or river and their footprints were preserved

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NGSS.MS-LS4-1

This diagram can be used to determine

• whether an organism was bipedal or quadrupedal by looking at its footprints

• Whether an organism could fly

• Whether an organism could swim

• the identity of the organisms in the pictures

_{Which rock layer in the diagram seems to be the oldest?}

• F

• E

• B

• A

Tags

NGSS.MS-ESS1-4

How does absolute age differ from relative age?

• only absolute dating indicates which rock is older than another

• absolute dating can determine the absolute age of a fossil

• only relative dating finds the age in years

What element is usually used to date fossils?

• uranium-235

• carbon-14

• mercury-203

• thorium-234

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 

Tags

NGSS.MS-LS4-1

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment or climate

• asteroid impact

Tags

NGSS.MS-LS4-1

At the end of the Mesozoic Era (Age of the Reptiles) there was a mass extinction.  Which of the following is attributed as being the main cause?

• asteroid or comet impact

• major volcanic eruption

• earthquakes

• climatic changes

Tags

NGSS.MS-LS4-1

An organism is ______________ if it no longer exits and will never live again on Earth.

• rare

• plentiful

• missing

• extinct

Tags

NGSS.MS-LS4-1