Polar ecosystems
Where are Polar Ecosystems found?
Overlaps both Arctic and Alpine Tundra
Tundra soil is rich in nutrients
True or False
False
Where are Alpine Tundras found?
Very high altitude.
Name 3 negative effects of Climate Change.
- Ocean Acidification
- Melting land and sea ice
-Increased sea levels
-Coral Bleaching... etc
A Primary Producer is the 2nd trophic level
True or False
Name two autotrophs from the Polar ecosystem food web.
- Algae
- Phytoplankton
How many cm thaws during the short summer in an Arctic Tundra?
Only 8cm
Alpine growing season is longer than Arctic tundra
True or False
True
Name one negative effect of permafrost thawing can do to the environment
- Release more greenhouse gases from dead organisms into the air
-Unstable ground
- Sinking roads/Buildings ... etc
Why cant rain soak through the ground in the Arctic Tundra?
Due to permafrost
Discuss the significance of sea ice in polar ecosystems.
- connects populations together
- Expands genetic variety
- Used as a Bridge
- Used as habitat
What plants are common in the Arctic Tundra?
- Bushes
- Lichens
- Moss
- Grass
What is a tree line (Timberline)?
The edge of the habitat where trees cant grow because of either high elevation or high latitude.
white snow reflects heat (___ albedo) while dark colored land absorbs heat (___ albedo)
A. High, High
B. High, Low
C. Low, Low
D. Low, High
B. High, Low
Trees cant grow because of high latitude in the Alpine Tundra
True or False
False
(High elevation)
Why does Saltwater sink towards the bottom?
Its more dense.
What causes temporary bogs and marshes to form in Arctic Tundras? What does this attract?
When it rains the water cant soak through the ground due to permafrost so it just lays there. This attracts Insects and many migratory birds.
Which animal is not living/well-adapted in the Alpine Tundra?
A. Mountain Goats
B. North African Ostrich
C. Pikas
D. Sheep
B. North African Ostrich
Why are Polar bears seen more often in villages now?
This is because of the melting sea ice, they are having issues of finding habitats and food so they are traveling to villages.
What is the limiting factor in the Arctic and Antarctic Tundra?
Temperature
Winters are cold and __ , Summers are __ and ___.
a. cool, bright and warm
b. dark, bright and cool
c. bright, dark and cool
B. dark, bright and cool
Secondary Consumer = __ Trophic level
3rd
We don't see large trees in Alpine Tundra because of Permafrost
True or False
False
*There is no permafrost in Alpine Tundra
How much permafrost is covering the land in the Northern Hemisphere?
Covering a quarter of land
What is like "upside-down soil"?
Sea Ice