Understanding Earth's Past Climates and Ecosystems

The video talks about the Mammoth Steppe. What was the climate like during this period?

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NGSS.MS-ESS2-6

The Woolly Mammoth is an example of megafauna that lived in the Mammoth Steppe. What is megafauna?

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NGSS.MS-LS4-1

The video mentions two main reasons for the disappearance of the Mammoth Steppe. What are these two reasons?

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS4-1

One hypothesis for the disappearance of megafauna is overhunting by humans. What is another hypothesis discussed in the video?

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NGSS.MS-ESS3-4

NGSS.MS-LS4-1

The idea behind the Pleistocene Park is to reintroduce large grazing animals to Siberia. What is the first animal that was reintroduced?

Why is the Yak the perfect first choice for the Pleistocene Park?

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

The video talks about the potential negative impacts of bringing back large herbivores. What is one concern mentioned in the video?

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Permafrost is a layer of permanently frozen ground. How does the presence of large herbivores help to protect permafrost?

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NGSS.MS-LS2-3

There are concerns that bringing back the Mammoth Steppe could have unintended consequences. What is one consequence mentioned in the video?

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the largest biome that dominated the landscape during the Pleistocene epoch?

• Tundra

• Boreal forest

• Grassland

• Desert