polar ecosystem
In the polar ecosystem, what is the food web based on?
It is based on the ocean
At very high altitudes
Name 2 characteristics of Arctic tundras.
Treeless
Short growing season
Land based food web
Cold
White snow reflects heat (____ ____)
Dark colored land or open water absorbs heat (___ ____)
high albedo, low albedo
On what trophic level are phytoplankton on?
Primary Producer = 1st Trophic Level
Salinity does NOT vary in polar ecosystems…
True or False
False. Salinity does vary in polar ecosystems
How long is the growing season for alpine tundras?
180 days
FINISH THE DEFINITION
the north pole, goes south to conifer forest of the taiga
What is the cause of polar bears having issues finding habitats and food due to melting sea ice?
They are traveling to villages in search for their necessities
What are some effects of permafrost thawing?
Unstable ground
Sinking road/buildings
Disease spread
Winters in polar ecosystems = cool and dark
Summers in polar ecosystem = bright and cold
True or False
False
What is a treeline (timberline) ?
Edge of habitat where trees cannot grow because of high elevation and high altitude
Arctic tundras have a longer growing season than Alpine tundras
True of False
False
What happens to the krill population when sea ice disappears?
Effects the entire population, krill population begins to decrease.
Climate change’s warming temperatures are ___ the permafrost
FILL IN THE BLANK
thawing
The polar ecosystem overlaps with…
the Arctic and Tundra
Is there permafrost in the Alpine tundra?
No because the soil is well drained
What northern parts of countries are part of the Arctic tundra?
NAME ALL
Northern Canada
Northern Alaska
Northern Greenland
Northern Russia
Negative effects of climate change in polar and tundra ecosystems?
Melting land and sea ice
Increased sea levels
Ocean Acidification
Trophic levels are…
feeding groups in an ecosystem
Are there land animals in the polar ecosystem?
Yes there are, they often eat fish or other sea life
Name 3 mammals in the alpine tundra
Pikas
Marmots
Mountain Goats
Bighorn Sheep
Elk
How are animals adapted in the Arctic Tundra?
Animals are adapted to handle long, cold winters and to breed and raise young quickly in the short summers.
What is the effect of thawed permafrost?
More greenhouse gasses are released from dead organisms into the air
Name 1 animal adaptation in from any ecosystem.
Camouflage
Hibernation
Migration