Evidence of Evolution (Honors)

• The _________ is a record of the major events and diversity of life forms present in Earth's history. 

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

• Geologists divide the time between Precambrian and the present into three long units called eras ______ ______ _____

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NGSS.MS-ESS1-4

The geologic time scale is divided into ________ units of time.

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NGSS.MS-ESS1-4

What are the 4 divisions in order to largest to smallest.

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NGSS.MS-ESS1-4

The _____________ Era is the oldest of the three Eras and dates from 540 million to 248 million years ago.

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NGSS.MS-ESS1-4

The _____________ Era extended from approximately 248 million to 65 million years ago where life diversified rapidly to include giant reptiles, dinosaurs and other monstrous beasts that roamed the Earth.

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

• The ______________ Era began approximately 65 million years ago with the extinction of the dinosaurs and continues today.  

____________ are the preserved remains or evidence of once-living organisms.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

• All the fossils ever discovered on Earth make up the ______________.

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NGSS.MS-LS4-1

• Sometimes when the remains of an organism get buried in mud, wet sand, or other sediments under a body of water, the molecules that formed the remains get replaced by minerals in the water.

  • This type of fossil formation is called mineralization.

• True

• False

Tags

NGSS.MS-LS4-1