Week 6

Question 1

Ecosystems of the arctic

Answer 1

Tundra and Taiga

Question 2

Tundra:

Answer 2

Treeless areas

Question 3

Taiga:

Answer 3

evergreen, coniferous, boreal forests

Question 4

Tundra plants:

Answer 4

low lying cushion plants
survive by growing in rock depressions
THEY ADAPT

Question 5

Taiga ecosystem includes:

Answer 5

needle leave trees
spruce, pine trees
deciduous species (birch, aspen, alder)
THEY ADAPT

Question 6

The arctic is warming _______ times faster than the global average

Answer 6

3-4 times

Question 7

Arctic amplification

Answer 7

decline in sea ice extent
winter season lengths declining
changes in albedo
decline in thickness of ice cover

Question 8

***What is permafrost:

Answer 8

ground that is frozen for at least 2 consecutive years
composed of organic material

Question 9

***What are the implications of permafrost on climate change

Answer 9

Thawing permafrost
A postive feedback loop
temp increases > permafrost melts > organic material gets broken down> releases CO2 > temp increases from CO2

Question 10

Permafrost is the glue that holds the ______ together

Answer 10

Arctic

Question 11

Permafrost thaw causes damage to what:

Answer 11

infastructure and the arctic community as a whole