Biomes of the world essay

A biome is a large, distinctive complex of plant communities created and maintained by climate.

Biomes of the world essay

Savannas are comprised mostly of grasses and a few scattered trees. Savannas can result from climate changes, soil conditions, animal behavior, or agricultural practices. Humans create savannas by burning grasslands and cutting down trees so they can plant crops.

Large animals, like elephants, can turn a forest into a savanna by knocking trees down, stripping the bark from the trees, and tramping on tree seedlings.

An important factor in the savanna is climate. Savannas exist in areas where there is a 6 - 8 month wet summer season, and a 4 - 6 month dry winter season. The annual rainfall is from 10 - 30 inches 25 - 75 cm per year.

During the dry season, lightning often strikes the ground, igniting the dry grasses that cover the savanna. The savanna is dominated by grasses such as Rhodes grass, red oats grass, star grass, lemon grass, and some shrubs.

Most savanna grass is coarse and grows in patches with interspersed areas of bare ground. These mostly live near streams and ponds. The Acacia tree is an interesting plant in the savanna. It has an umbrella shape, with branches and leaves high off the ground that giraffes like to eat.

Baobab trees also live in the savanna. They deal with dry conditions by storing water between the bark and meat of the tree. There are many different types of animals that live in the savanna. The species found in savannas vary by the geographic location of the biome.

Animals native to African savannas include African elephants, zebras, horses, and giraffes. Many animals in the savanna are herbivores, which means they eat plants, and there is plenty of grass in the savanna. During the rainy months animals thrive in the savanna, but the rainy season is only half the year.

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During the dry season, surface water from the rain is quickly absorbed into the ground by thirsty soils. The competition for water during the dry season is so intense that most birds and many of the large mammals migrate elsewhere in search of water.

Biomes of the world essay

Depending on the severity of the drought, the migration may be to a place nearby, or far away. The dry season is often associated with fires. Many insects with short life spans die in these fires, but the birds and larger animals are usually able to fly or run to safety.

For these birds fire means dinner. They eat the fleeing or flame-roasted insects. Some environmental concerns with savannas include poaching or hunting, overgrazing, and destruction of land for commercial crops. Many animals in the savanna, such as the rhinoceros and zebra, are endangered and threatened with extinction due to hunting, poaching, and habitat loss.

The savanna is often damaged when it is used as pastureland for non-native domestic cattle. Cattle grazing also limits the amount of food available for wildlife.Biomes Biology Essay Biomes 29/11/ AD Taiga or Boreal forest The Taiga is an area of coniferous forest that is the largest land Biome as it makes up 29% of the forest cover of the world.

Biomes are the major types of land that cover the earth, marked by the main flora and fauna, or plants and animals, which live in those sections.

There are 5 main biomes, each which has it's own sections. Biomes could be called units of the biosphere and each biome is made up of many ecosystems.

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There are obviously many types of biomes in this world because of the diversity of climates around the world. Covers 5 of the major world biomes: Aquatic, Desert, Forest, Grasslands, and Tundra.

Biomes of the world essay

Site gives a definition of a biome, provides a Map of World Biomes, and a very informative FAQ section with answers to 20 Frequently Asked Questions. Biomes of the World - A biome, also known as life zones, consists of all plants, animals, and other organisms, as well the physical environment in a particular area.

A biome is characterized by its’ plant life, climate, and location. PEOPLE AND THE SAVANNA: Some environmental concerns with savannas include poaching or hunting, overgrazing, and destruction of land for commercial crops.

Many animals in the savanna, such as the rhinoceros and zebra, are endangered and threatened with .

Biomes as Units of the Biosphere - Research Paper