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Polar Regions Ecology and Climate Quiz

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Questions and Answers

What is the annual precipitation in Antarctica?

1000 mm

200 mm

166 mm (correct)

20 mm

What is the mean summer temperature at the South Pole?

-28ºC (correct)

0ºC

-10ºC

10ºC

What is the size of Antarctica in comparison to the Earth's land surface?

10% (correct)

15%

25%

What is the dominant feature at the two poles?

Polar ice caps Signup and view all the answers

What type of climate does Antarctica have?

Perpetual frost Signup and view all the answers

What contributes to the rapid change in land cover in boreal Eurasia?

Melting glaciers Signup and view all the answers

What are the major landscapes in Antarctica?

Perpetual frost and snow-free McMurdo Dry Valley Signup and view all the answers

What is permafrost?

Seasonally frozen ground Signup and view all the answers

How would climate change and human activities affect the lives in the Antarctic ecosystem?

Disruption of food chains and habitats Signup and view all the answers

How could trees survive in the circumpolar boreal forest?

Adaptations to cold and short growing seasons Signup and view all the answers