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Transcript of Tundra Ecosystem
Written Description of the Tundra
The Tundra is colder and drier than any other biome. Summers can last from 6-10 weeks and it rains less than ten inches a year. The Tundra is very close to the north pole, so summers only get hot enough to melt the ice. The polar bear is the most dangerous animal in the tundra. Many lichens, mosses, and small shrubs flourish in this biome. People have recently been moving to the tundra to work in the mines and dig for oil. Arctic hares are common in this area.
The polar bear is at the top of the food web. Man is its only threat. At the bottom of the food web is lichen, Arctic willow, and tufted saxifrage. They are unable to protect themselves, so they are eaten. In the middle are animals such as arctic seals, caribou, Ermine, and the Musk ox.
3.8 catastrophic event
If there was a tremendous heat wave, the Tundra biome would be greatly affected. Since animals in the Tundra have adapted to the cold, an immediate change in climate would effect them so greatly that they would not survive. Plants
Biotic and Abiotic Factors
An abiotic factor in our tundra is little precipitation. A biotic factor in our tundra is a shrub. The shrub has to survive with little rain and low temperatures. Over time the shrub adjusted to the climate and little precipitation.
By: Caitlyn Dawson and Sierra Jordan
The arctic wolf has a commensalism relationship with reindeer. The reindeer digs up lichen and grasses. Some mammals and insects hidden under the snow are found while the reindeer was digging up plants. The arctic wolf digs up the insects and eats them. The arctic wolf benefits while the deer is unharmed.
Plants, like Caribou moss, get their energy from the sun. A Caribou eats the moss for energy and the Caribou gets killed by an arctic wolf. The arctic wolf eats the Caribou and regains energy to hunt again. It then gets killed by man for its fur and food energy.
would also die because they have adapted to low temperatures and low light intensities, such a big enough amount of light and growth in temperature would kill them.
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All of these animals eat plants, animals, or both. Herbivores eat plants, Carnovores eat animals, and Omnivores eat both to get energy.