True or False
Polar ecosystems are land based. (Rabbits, moss, grass…)
False. Ocean based.
Does tundra soil have very little or a lot of nutrients?
Very little
High altitudes
Where is the ocean water saltier?
Towards the bottom
True or False.
Plants are able to photosynthesize in low temperatures and low sunlight. (Arctic and Antarctic tundra)
True
Where would autotrophs be found?
Towards the top of the water
What is the average summer temperature in the arctic tundra?
3-12°C (37-54°F)
What are some animal adaptations?
- mammals and birds have fat for insulation
- many animals hibernate during the winter
- other animals migrate south in the winter
How many centimeters of soil thaws during the short summer?
8 cm
What is a reason why land animals would use sea ice?
- used as a bridge
- connects populations together , > genetic variety
Why are plants often grouped together?
A. To increase diversity
B. To resist low temperatures
C. To make it easier for predators to find
B. To resist low temperatures