Polar Ecosystems
Polar ecosystems food webs are based on land.
True or False
False they are more so based in the ocean.
Which is the most important limiting factor in a Tundra?
a) Precipitation
b) Temperature
c) Sunlight
d) Competition
b) temperature
Antarctic tundra are smaller than Arctic tundra.
True or False
True - much smaller
Does the Alpine Tundra have a longer growing season than the Arctic Tundra?
True or False
True - longer and warmer growing season than the Arctic Tundra
CFC is a greenhouse gas.
True or False
True
What is the most common adaptation for organisms living in a polar ecosystem?
a) Fur
b) Ears
c) Camouflage
d) Vision
c) Camouflage
Are Tundras located at a high latitude or high altitude?
high latitude ( far from the equator)
What is the nickname of sea ice?
a) Cold Soil
b) Upside-down soil
c) Frost soil
d) Reversed soil
b) Upside-down soil because algae can grow on the underside of the ice
Alpine Tundra are located at a high altitude or high latitude?
High Altitude ( Elevation from sea level)
How much sun/heat is reflected back into space
Albedo
What are the main autotrophs in the polar ecosystem?
Algae and Phytoplankton
Find the word to the definition below:
Permanent frozen layer that prevent plant roots from growing to deep.
Permafrost
What causes increased inbreeding?
a) Expansion of Ice
b) Warmer Temperatures
c) Lack of Ice
d) Population Size
c) Lack of ice as bridges to connect populations together for genetic variety
Does the Alpine tundra usually have permafrost?
True or False
False ( already well drained )
What is the main cause of climate change?
a) Burning Fossil Fuels and Clearing Land
b) Rapid Industrialization
c) Livestock
d) Agricultural practices
a) Burning fossil fuels and Clearing Land
Where is most of the salinity located in open water?
Salinity sinks to the bottom
What plants are most common in the Arctic Tundra?
Lichens, Moss & Grass
What biome is the tundra most similar to?
A desert
Alpine Tundras have ____ oxygen levels
low
Enter the blanks with either more or less:
____ greenhouse gases released into atomsphere, _____ heat is trapped, ____ heat escapes to outer space.
more, more, less
Winters are _____ and _____. Summer are _____ but ____.
Cold and Dark, Bright but cool
Fill in the blank:
Tundra soil has very _____ nutrients.
little
Fill in the Blanks:
The land in the Antarctic Tundra is too ____ and ____ to support vegetation such as trees.
cold and dry
Fill in the blank:
Plants can grow in ____ and _____ summers.
cool and windy
Fill in the blank with either more or less
___ CO2 dissolved in water --> ____ the pH of the ocean --> making it ___ acidic
more, less, more