Cold environments Flashcards
1
Q
It has a climate of
A
Very low temperatures and strong winds
2
Q
Cold ecosystems are easily damaged and can take
A
A very long time to recover
3
Q
They need protecting because
A
- can help scientific research
- many people depend on wildlife and hunting
- potential for adventure wildlife
- opportunities for forestry and fishing
- home to a variety of animals, birds and plants
4
Q
The risk of economic development
A
- river has become populated and is now lifeless
- risk of fire, either started deliberately or by a lightening strike
- trees killed by oil spill
- oil leaked from broken pipelines
5
Q
Characteristics of polar regions
A
- extreme winter temperatures can go below -50°c
- soils covered by ice
- few kisses and lichens on the fringes of ice
- polar bears well adapted with thick fur and foot pads
6
Q
Characteristics of tundra
A
-less extreme winter temperatures may drop to -20°c
-ice melts on soil
In summer causing water logging
-low growing flowering plants with special adaptations
-several species due to more food options and less extreme climate