Polar Ecosystems
food is based on the
A. land
B. ocean
C. space
B. ocean
name some producers
grasses, moss, lichens & other small plants
define..
top of high mountain
effects ?
melting ice
what is an adaptation in the polar ecosystem ?
camouflage
difference between the arctic & antarctic
antarctic- small, ice fields, too cold & dry
artic- encircles the north pole
oxygen levels are high (true or false)
false
what is albedo ?
the reflection or absorption of light
more salinity towards the..
deeper end or bottom of the ocean
less than 50 degrees F
has any permafrost ?
no
what is sea ice ?
upside down soil
food web based on ..
phytoplankton & algae
what is the limiting factor ?
temperature
are ___ & ____ than artic tundra
longer, warmer
sea ice is used as protection and a bridge (true or false)
true
migrate south or hibernate
what is permafrost ?
permantly frozen layer (underneath the top soil) prevents plant roots from growing deep
tree line can be known as ____
timberline
thawing permafrost does what ?
releases GHG causing diseases to spread, sinking buildings, frozen animals resurface, unstable foundation