Tundra Biomes

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Tundra Biomes (22:00)
Item# 29774

About a fifth of the Earth’s land surface is tundra: cold, dry, treeless, and home to a diverse range of inhabitants including lichens and lemmings, sedges and snowy owls, and dwarf willow bushes and musk oxen. By viewing this program, students can develop a fundamental appreciation for the world’s Arctic and Alpine tundra biomes. The plants and animals that populate tundra environments are clearly identified, along with the adaptations that enable them to live in places where the temperature can drop to 70 degrees below zero. A viewable/printable instructor’s guide is available online. A Cambridge Educational Production. (22 minutes)

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Segments in this Video - (6)

1. Tundra Biomes (03:01)
 Available for Free Preview

Tundra biomes are an ecological community characteristic of arctic and sub-arctic regions, with a permafrost layer and simple vegetation.

2. Arctic and Alpine Tundras (03:05)

Below freezing temperatures, little precipitation, and permafrost are characteristics of the arctic tundra. The Alpine tundra begins above the tree line on mountain slopes.

3. Plant Life in the Tundra Biome (03:57)

Coastal tundra have mosses, sedges, and cotton grass. Non-costal tundra have peat soil which consists of partially decomposed plant debris. Crustose, foliose, and fruticose are types of lichen.

4. Animal Life in the Tundra Biome (03:49)

Large animals migrate from high to low elevations depending on the harsh climate. Smaller animals hibernate during the coldest months.

5. Animal Adaptations in the Tundra (03:56)

Thick fur, migratory patterns, and camouflage provide safety and warmth for tundra animals.

6. Survival in the Tundra (02:56)

Physical adaptations, hibernation, and migration, and rapid reproduction help keep animals from predators in the tundra. Many species in the tundra have been over hunted by humans.

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