Selasa, 12 Maret 2013

Grasslands, deserts, tundra, rain forest, deciduous forest, taiga

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The meadow stretches from tropical to subtropical regions. Rainfall between 250-500 mm / year. Plants take water difficult. Plants that can grow is grass. In the relatively wet meadow, the grass can reach 3 m (Bluestem grass, indian grasses).

Deserts are common in the tropics and is bordered by pastures. Rainfall is about 250 mm / year or less. Summer temperatures can reach 40 degrees Celsius. Very cold night. Plants can adapt to water shortages and rapid evaporation is small-leaved plants such as thorns or no leaves. Long rooted plants that can absorb water from the deep, and store in the spongy tissue.

Tundra only live in the northern hemisphere (near the north pole). This area winters are long and dark, and in the summer, the heat and the light constantly. In this area there are a lot of moss. Semusimnya flowering plants with striking colors, very short period of growth. Plants in the tundra adapt to the cold so it will stay alive even in a frozen state.

Wet forest. In this area gets enough water. The trees in it has a height of 20-40 meters. Leafy branches forming a hood that causes the dark forest. In addition there are lianas and epiphytic plants. Liana example rattan, eg epiphytic orchids. Distribution in Indonesia, northern Australia, eastern New Guinea, Central Africa, and Central America.

Deciduous forest. In the deciduous forest type of plants are a bit much on the rain forest. Many trees shed their leaves.

Taiga, is a forest of pine trees with leaves like needles. For example, conifers, alder, birch, juniper. The area consists of only taiga biome that consists of only a single species of tree. Spreading mostly in the northern hemisphere (North Siberia, Russia, North and Central Canada).