Picture Window Books Books
Books editi da Picture Window Books con argomento Tundra Ecology
What If There Were No Lemmings?
Schwartz Carol (ILT)
edizioni Picture Window Books collana Picture Window Books (Library)
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.