Biome Tundra

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by AdamsAnt
Last updated 6 years ago

Discipline:
Science
Subject:
Ecosystems
Grade:
7

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Biome Tundra

Mosses are green plants somewhat similar to algae except they have a complex structure that resembles stems and leaves. Because they contain chlorophyll, mosses can manufacture their own food. Mosses grow on soils, on tree trunks and branches, on rocks, and in water. Liverworts are closely related to the mosses and grow under similar conditions.

what is the tundra?

BIOME:TUNDRA

The caribou is a member of the Deer family. Both male and female caribou have blunt muzzles, which is the nose or snout of an animal. How a caribou is about 2-5 ft. It weighs about 500+ lbs. It has a grayish-brown color and white areas on the back and on the neck.Caribou are the only mammals that can see ultraviolet light. hooves adapt to the season: in the summer, when the tundra is soft and wet, the footpads become sponge-like and provide extra traction. In the winter, the pads shrink and tighten, exposing the rim of the hoof, which cuts into the ice and crusted snow to keep it from slipping. This also enables them to dig down (an activity known as "cratering") through the snow to their favorite food, a lichen known as reindeer moss. The knees of many species of reindeer are adapted to produce a clicking sound as they walk.__________________________________________ These animals are called snowy owls because when they are fully grown, they are almost pure white. The snowy owl's feet are covered with feathers and have extra thick pads. Snowy owls have incredible vision, like all owls, especially in the night. They can see high up from the sky and fly down silently. The snowy owl mother stays on the nest and the father brings food and protects her. After owlets are born both parents work to help and feed the owlets, after eight weeks they are ready to leave the nest.This powerful bird relies primarily on lemmings and other small rodents for food during the breeding season, but at times of low prey density, or during the ptarmigan nesting period, they may switch to favoring juvenile ptarmigan. They are opportunistic hunters and prey species may vary considerably, especially in winter. They feed on a wide variety of small mammals such as meadow voles and deer mice, but will take advantage of larger prey, frequently following traplines to find food. Some of the larger mammal prey includes hares, muskrats, marmots, squirrels, rabbits, raccoons, prairie dogs, rats, moles, and smaller birds entrapped furbearers.

The word tundra derives from the Finnish word for barren or treeless land. The tundra is the simplest biome in terms of species composition and food chains.Also the tundra's vegetation includes lichens, mosses, sedges, perennial forbs, and dwarfed shrubs.

An are with :Extremely cold Cold Climate-Low biotic diversity-Simple vegetation structure-Short season of on and growth-Energy & nutientnts in form of dead organic matierial

a lichen is a "dual organism," a mutualistic association between a fungus (the mycobiont) and an alga or cyanobacterium (the photobiont). Lichens can grow in very inhospitable environments-- on rocks, sides and branches of trees, gravestones. However, lichens are very sensitive to air pollution, especially sulfur and nitrogen, and so they are natural indicators of air quality. Lichens grow extremely slowly, usually 1-2 mm per year. Lichens are important in the environment because they break down rocks into soil, and they help to stabilize soil that's already there.

Here's a video from yours truly, ANTIONE


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