Polar Ecosystems
Are polar ecosystems land or ocean based?
ocean
Describe latitude.
The distance from the equator.
Name 3 types of plants in Alpine Tundras.
grasses, lichens, mosses, small-leaf shrubs, dwarf/stunted tress.
Climate change is caused by?
increased levels of GHG
What plants are common in Arctic Tundras?
lichens, moss, grass, bushes
In polar ecosystems, winters are cold or cool & bright or dark?
cold & dark
Does this type of Tundra have high or low latitude?
High
Name 3 animals who live in Alpine Tundras.
pikas, marmots, mountain goats, bighorn sheep, elk
How does ocean acidification occur?
CO2 dissolves in water lowering pH levels
Name an adaptation developed by animals in polar/arctic & antarctic ecosystems.
Camouflage, fat for insulation
Name the 2 autotrophs who live in polar ecosystems.
algae & phytoplankton
Which is colder?
Arctic Tundras or Antarctic Tundras
Antarctic Tundras
True or False
In an Alpine Tundra, the treeline/timberline cant grow because of high latitude.
False; Can't grow bc of high elevation
Name 3 negative effects of climate change.
More intense hurricanes
coral bleaching
ocean acidification
melting land & sea ice
increased sea levels
Changes in temperature & precipitation
Dark colors (dark colored land/open water) means high or low albedo?
low
Name 2 animals that live in the water of polar ecosystems.
orcas, fish, krill, whales
The summer/growing season in this Tundra is dark & cold or sunny & cool?
sunny & cool
The mountain tops of an Alpine Tundra have high or low oxygen levels & high or low wind speeds?
Low oxygen levels
High wind speeds
Name 2 types of GHG.
Carbon dioxide (CO2)
Methane (CH4)
Nitrous oxide (N2O)
water vapor
Where in the ocean water is saltier?
Towards the bottom
Without using #'s (ex. 1st, 2nd, 3rd), Name the 5 trophic levels in order.
primary producer
primary consumer
secondary consumer
tertiary consumer
quaternary consumer
Why cant Antarctic Tundras support vegetation?
Too cold & dry
Name at least 2 regions Alpine Tundras occur in.
Alps, Europe; Andes, South America; Rockies, North America; Himalayas, Asia
What is albedo?
the amount of light reflected off a surface
How many cm of permafrost thaws during the short summer in arctic Tundras?
a. 9 cm b. 7 cm c. 8 cm d. 6 cm
c. 8 cm