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Biome Project - Biology

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Traci Bourne

on 29 August 2016

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Transcript of Biome Project - Biology

Plant Life The tropical savanna is full of shurbs and small, shady trees. It is known for its tall grasses. This biome has many different plants, though. A few are as follows: http://www.blueplanetbiomes.org/savanna.htm http://www.radford.edu/~swoodwar/CLASSES/GEOG235/biomes/savanna/savanna.html Tropical Savanna Biome By Traci Bourne Please note that all videos are meant to be played while reading the text. Also please read the description of this prezi. Biotic Factors Abiotic Factors Climate The tropical savanna will obtain 30-50 inches of rainfall during the year. Between December and February there is hardly any rainfall, making the rainy season mostly during the summer. During the There have also been harsh, but rare, cases of frost which led to a change of lifestyle for plants and animals. Normally, the average temperatures for each month is 64 degrees and above, with little variation throughout the year. During the winter, the range is about 68° to 78° F and the summer is about 78° to 86° F. http://mindrelief.net/savanna.html Soil The soil in the savanna tends to be extremely porus. Most savannas are made of fine clay, which holds water within the upper layers of the soil. It is often very unfertile. However, tropical savannas can have different soil types. Lithosols Lateritic Soils Cracking Clays Red/Yellow Earths Deep Sands Alluvial Soils This soil is usually found on the inland parts of the tropical savanna. Clay is known for breaking apart and being unpredictable. This is due to clay being made up of all negatively charged elements which repel eachother. This also cause it to retain a great deal of water. When the clay releases the water, after having swelled up to ten times its original size, it cracks and breaks apart. Lithosol soil is found to be infertile and to have no depth. It consists of rock and are very gravelly. It does not support the growth of much vegetation, but it is not likely needed for grazing since it is found mostly on steep hills and embankments. Red/yellow earth soil is a mixture of the clay and lithosol soil. It is very rocky with sand and clay interspersed. It usually has a red or yellow tint to it, hence the name. Red/yellow earth tends to be dry, infertile, and nutrient deficient. Lateritic soil is spread across the entire savanna in patches. It is generally slightly acid on the surface and increasingly acidic as one goes farther in depth. Lateritic is the most eroded soil ever and is therefore practically unerodable, since it has been stripped to its core. It is high in iron and aluminium content and is very infertile. Alluvial soil can be found on areas where floods settled or near deltas. It is very rich and fertile soil. It contains depository materials which have not yet disintegrated into the earth. This soil is basically recycled siliceous earth material. It does not allow plants to grow for the most part; it usually unites the savanna and the desert. http://www.savanna.org.au/


http://www.awf.org/content/wildlife/detail/zebra Fires In the tropical savanna, fires are frequent. Many times this is caused by the lightening, since much of the savanna is dry land. Fires often occur during the months of October through November. Fires are also believed to be caused by natural oils omitted by certain plants which act as an emzyme and make a fire occur quickly. I hope you know Finnish :) Press stop when ready to move on Senegal Gum Acacia- African thorn tree. Grows up to 20 meters tall. Contain seed pods 8 inches in length and 2 to 3 inches in width.
Baobab- Grows up to around 25 meters tall. Lives for several thousands of years. Fire resistant. Grows edible fruits.
Bermuda Grass- Oringinally from Africa. Can grow roots 57 inches deep. Short grass. Grows back quickly after fire.
Candelabra Tree- About 10 meters tall. Sap is poisonous. Sharp spines on branches. Any contact without protection causes burning.
Elephant Grass- Grows in clumps up to 10 feet tall near lake beds and rivers. Sharp tips. Birds live in the grass.
Umbrella Thorn Acacia- As seen in The Lion King. Grows in sand dunes and rocky soils. Only needs 4 cm of rain a year. Withstands below 0° F-122° F. Grows over 20 meters high. Animal Life The tropical savanna has a diverse population of animals. Many migrate during the dry season to obtain resources unavilable at the time in the savanna. Timon and Pumba live happily in the tropical savanna, along with Simba and Nala. African Wild Dog This animal lives mostly in the plains, never in the jungles. They are usually mixed with red, yellow, black, and white blocks of fur. Classified as wolves, they have long legs and light bodies, perfect for the chase. They have puppies every 12 to 14 months. The pups only stay with the mothers for 3 to 4 weeks and then they go off on their own. Their life expectancy is around 10 years. Caracal Chacma Baboon Meerkat Zebra Koala Bear Lion A caracal has short-hair and reddish brown fur. It has black and white accents on its ears and under belly. It can grow up to around 35 inches and 40 pounds. This cat cousin lives mostly in the dryer areas of the savanna. They jump high into the air to catch birds, and their only predators are humans. The caracal can live up to around seventeen years. This primate lives mostly in the high grasslands and the woodland savanna. They are 16-30 inches long and can weigh up to 97 pounds. They have a dog-like face and large, sharp canines. Baboons eat both plants and living things. Most often they eat fruits and insects. They can run up to 45 miles per hour to escape their predators, leopards and cheetahs, and usually hide in trees. They live in troops with up to 100 other members. Baboons often live to be about 45 years old. Press stop when ready to move on Let play while reading about animals Meerkats are very interesting animals. They have four toes with claws and dark circles around their eyes to reflect the sunlight. They have closeable ears and are about a foot long. Meerkats exisit in the more desert like areas of the savanna. They are extremely terratorial and will gang up on any who tries to get in. They eat mostly insects, small birds/mammals, and eggs. Their life expectancy is 12 to 14 years. The zebra is a horse like mammal that barks like a dog. It is 50 inches tall and weighs about 550 pounds. They live in both the open grasslands and the woodlands. They travel in groups of 10,000 or more and can run up to 40 miles per hour, which are both options for protection. Zebras make sure their young are independant by making them stay away for 1 to 4 days until it recongizes the mother's call on its own. Zebras tend to live up to about 30 years old. Koalas are around 30 inches long and 20 pounds. It has a squishy nose and small yellow eyes. They have the life and sleeps for about three fourth's of everyday. Koalas have a very strict diet, they can only eat eucalyptus leaves. Their stomach is immune to its poisons. They are often hunted by dogs, dingoes, and foxes. Koalas live in the woodland areas in the trees and are expected to be around for less than 10 years each. Lions are known as the kings of the savanna. They are quick and large, and are able to hunt down practically every animal out there. They weigh 300 to 500 pounds and can be up to 10 feet long. They live mainly in the grasslands because there is more variety in the prey. They can eat up to 16 pounds a day. Their daily diet consists of zebras, giraffes, wildebeests, gazelles and impala. They live in groups of 4 to 40 other lions. After 2 years, the cubs are sent off on their own. Lions life expectancy is around 16 years. We are one. Enjoy:) Works Cited
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