Polar Region Vocabulary

3. land of sedges, mosses, grasses, and lichens growing in patches
4. provides insulations by trapping air, warmed by the body
7. allows animals to remove heavy accumulations of snow and ice to access food
13. grow in sheltered places on bare rock, and remains provide food for mosses
15. dome-shaped hills near the edge of an ice sheet
16. specific fat layer between the skin and muscle
19. allows many animals to maintain their body temperature even though the environmental temperature surrounding them plunges well below zero
20. long stems some plants produce

1. takes nitrogen from air and converts it to ammonia to produce amino acids
2. beyond permanent ice, ground may be frozen
5. courser and waterproof
6. fine, traps a layer of air warmed by the body
8. allows animals to move over snow and ice easier
9. allows warm blooded animals to survive harsh winter conditions by living in close quarters in a dormant condition
10. allows some animals to blend with their environment
11. plants that live for more than two years
12. speific function or position within a community of organisms
14. carcass of a dead animal
17. prevent heat loss
18. allows smaller animals to survive away from the harsh polar conditions