| 11. | One-third of Rocky Mountain National Park is alpine tundra.
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| 12. | Tundra is largely devoid of poikilotherms such as frogs or lizards.
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| 13. | Nearly of tundra were soiled and were removed in the cleanup.
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| 14. | Foraging occurs on tundra and wet meadows during the breeding season.
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| 15. | The breeding habitat is damp tundra, open forest or marshland.
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| 16. | The boundary between tundra and moorland constantly shifts with climate change.
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| 17. | The 2010 Tundra began arriving at dealers in late April 2009.
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| 18. | Nests are built in ground depressions and lined with tundra moss.
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| 19. | Red-backed voles inhabit northern forests, tundra and bogs.
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| 20. | Singing voles are found in tundra regions above the tree line.
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