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The Arctic Tundra

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jack geis

on 14 March 2018

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Transcript of The Arctic Tundra

The Arctic Tundra
aBiotic factors
Biotic Factors
The flora also provides with a variety of lichen, mosses, some grasses, & flowers. examples being Cottongrass (which provides food for caribous and snow geese), the arctic willow (a food source for caribous, musk oxen, & arctic hares), and reindeer\caribou lichen (which is a combination of fungi and algae which supplies each other with food and water). "This low-growing evergreen’s leathery leaves and silky hairs provide protection from the cold and wind". although there are few compared to other biomes with massive amounts of flora (such as rainforest) the flora are very important to the animals diet.
The vicious carnivores rely on | Big herbivores such as musk oxen | & caribous. the apex predator (below mankind) is the arctic wolf, eating caribous arctic foxes and musk oxen.
omnivores of this biome feast mostly of berries as their main source of food from flora. the meat they eat comes from herbivores and secondary predators (like arctic foxes). some examples omnivores being the snowy owl and brown | bear
the herbivores of the arctic tundra feast on lichen, moss, and other unique flora. a few examples of these creatures are musk oxen, caribou, arctic hares, & lemmings.
a unique type of soil which supports the arctic lichen and moss (decomposers)
“The growing season ranges from 50 to 60 days. The average winter temperature is -34° C (-30° F), but the average summer temperature is 3-12° C (37-54° F) which enables this biome to sustain life. “3

A frigid treeless plain above a layer of permanently frozen soil called permafrost filled with creatures developed to withstand the freezing temperatures and unordinary flat terrain. Most flora are lichen and moss adapted to the harsh climate. The biome is home to hundreds of flora like reindeer moss and shrubs.global warming has caused many of these species and other species to be close to extinction.

the arctic tundra is covered with snow over the permafrost all year round making it a unique terrain.the snow is the main source of water with 6-10 inches in melted snow.
http://quest.eb.com/search/permafrost/1/139_1943410/Permafrost-Polygons http://quest.eb.com/search/tundra/1/149_2035208/Tundra http://www.ucmp.berkeley.edu/glossary/gloss5/biome/tundra.html arctic section, paragraph 1 http://www.cashmancuneo.net//biomes/biomes.html Hicker, Rolf Britannica ImageQuest https://www.thinglink.com/scene/760657344425099264 http://beyondpenguins.ehe.osu.edu/issue/polar-plants/plants-of-the-arctic-and-antarctic
http://quest.eb.com/search/cotton-grass/1/149_2057286/Cotton-Grass http://quest.eb.com/search/brown-bear/1/132_1370572/Brown-bear
http://quest.eb.com/search/reindeer-lichen/1/139_1997602/Reindeer-Lichen http://quest.eb.com/search/arctic-fox/1/132_1322332/Arctic-fox
http://quest.eb.com/search/caribou/1/139_1929979/Caribou http://quest.eb.com/search/arctic-wolves/1/167_4048732/Arctic-Wolf
Thank you
for watching
there have been many adaptations to the animals physical and behavioral traits in the cold wasteland with almost no life called the arctic tundra. (P) the reindeer lichen doesn't have any roots to absorb nutrients through the ground. this causes the moss to absorb nutrients through the air rather than the unfertile soil. the animals (along with the plants) have many adaptations. (P) the polar bear has big paws that easily distribute weight across the frozen lakes, allowing them to catch their prey. the musk oxen is a great example of a BEHAVIORAL trait. when the species when threatended by the cold or predators, it huddles for warmth and protection.
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