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  2. Tundra - Wikipedia

    en.wikipedia.org/wiki/Tundra

    In physical geography, tundra (/ ˈ t ʌ n d r ə, ˈ t ʊ n-/) is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: Arctic tundra, [2] alpine tundra, [2] and Antarctic tundra. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses ...

  3. Discover the Incredible Adaptations That Help Reindeer Thrive ...

    www.aol.com/discover-incredible-adaptations-help...

    The arctic tundra often lacks sunshine. Summer days last 24 hours, yet the sun remains low on the horizon. During the winter, the opposite occurs, and the entire landscape is dark.

  4. Alpine tundra - Wikipedia

    en.wikipedia.org/wiki/Alpine_tundra

    Alpine tundra occurs at high enough altitude at any latitude.Portions of montane grasslands and shrublands ecoregions worldwide include alpine tundra. Large regions of alpine tundra occur in the North American Cordillera and parts of the northern Appalachian Mountains in North America, the Alps and Pyrenees of Europe, the Himalaya and Karakoram of Asia, the Andes of South America, the Eastern ...

  5. Tundra of North America - Wikipedia

    en.wikipedia.org/wiki/Tundra_of_North_America

    Since the tundra has such a harsh environment, the animals who live here have adapted in a way to call the tundra their home. The keystone species of the tundra can be as small as a lemming to as large as a musk ox. The low biodiversity means that fluctuation in individual animals can substantially affect the entire ecosystem.

  6. Reindeer in Decline: The Impact of Rising Temperatures on ...

    www.aol.com/lifestyle/reindeer-decline-impact...

    This layer, known as frost blocking, prevents reindeer and other animals from poking their noses out to forage for food. Additionally, ice can damage plants growing on the tundra.

  7. From Antlers to Migration: How Reindeer and Whitetail ... - AOL

    www.aol.com/antlers-migration-reindeer-whitetail...

    The Arctic, subarctic, tundra. Fur. Light fur, varying by species ... preferring far colder climates than their Whitetail cousins. These hardy animals dominate the landscape of northern Canada and ...

  8. Arctic ecology - Wikipedia

    en.wikipedia.org/wiki/Arctic_ecology

    This increases their ability to conserve heat. Layers of fat, plumage, and fur also act as insulators to help retain warmth and are common in Arctic animals including polar bears and marine mammals. Some animals also have digestive adaptations to improve their ability to digest woody plants either with or without the aid of microbial organisms.

  9. Arctic hare - Wikipedia

    en.wikipedia.org/wiki/Arctic_hare

    The Arctic hare [2] (Lepus arcticus) is a species of hare highly adapted to living in the Arctic tundra and other icy biomes. The Arctic hare survives with shortened ears and limbs, a small nose, fat that makes up close to 20% of its body, and a thick coat of fur.