Title rated 4.35 out of 5 stars, based on 4 ratings(4 ratings)
Book, 2011
Current format, Book, 2011, , Available .
Book, 2011
Current format, Book, 2011, , Available . Offered in 0 more formats
Discusses the tundra ecosystem and the role of lemmings as a keystone species in helping to maintain it, describing the lemmings' place on the food chain and what would happen to the tundra if they were to become extinct.
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