The Paleozoic Era

Which Period of the Paleozoic Era is the longest and most diverse?

• The Cambrian Period

• The Permian Period

• The Ordovician Period

• The Devonian Period

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NGSS.MS-LS4-1

Which picture shows the more diverse ecosystem?

• 
• 

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NGSS.MS-LS2-2

NGSS.MS-LS2-5

During the Cambrian Explosion, there was a fast increase in diversity. What element can we credit for this increase of organisms?

• Carbon

• Oxygen

• Hydrogen

• Iron

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NGSS.MS-LS4-1

Paleontologists, geologists, and other scientists organize important events and species in the correct time zone. What type of record is used to help with this?

• The Fossil Record

• The Diary

• The Constitution

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NGSS.MS-LS4-1

The Law of Superposition basically states that the rocks on the bottom layers are younger than rocks/sediment on the top layers.

• True

• False

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NGSS.MS-ESS1-4

What photosynthetic organism was responsible for increasing the oxygen levels in the environment in the Cambrian Period?

• Phytoplankton

• Zooplankton

• Stromatolites

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NGSS.MS-LS1-6

The closest organism that we have today to the first invertebrates are horseshoe crabs. What group of organisms are known as the first invertebrates to live on earth?

• Trilobites

• Stromatolites

• Invertebrates

what Is a coal swamp?

• A swamp that is all black and nasty looking

• Is an oxygen-poor environment where,over time, plant material changes into coal.

• A swamp filled with coal made out of devolved rocks.

• The swamp where shrek lives

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NGSS.MS-ESS3-1

What's special about Amniote Eggs?

• They have the ability to laid on land without drying out

• They taste good

• They are larger than regular eggs

• They're not fertilized

Coal is formed when....

• Dead plants go through intense heat and pressure

• Dead animal fossils are clumped together

• Water is dried out from the seas

• Oxygen is mixed with iron

Tags

NGSS.MS-LS2-3