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Important Words

active layer the top, melting layer of permafrost
Bering Strait the waterway separating Eurasia and Alaska
biodiversity the number of different life-forms in an ecosystem
descendant people born form an older ancestor; a child is a descendant of a parent
ecosystem a community of plants and animals and the environment they live in
extinct no longer in existence
latitudes a measurement of how far a place is from the equator
peninsula a piece of land with water on both sides
permafrost frozen soil beneath the surface of tundra
predators animals that live by eating other animals
prey an animal used as food by a predator
sedges grass like plants with solid stems and small flowers
stunt to stop normal growth
Created by: tsteward