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Biomes of the World

Tropical Rainforest Biome
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Tropical Rainforest
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The Tropical Rainforest has virtually no season change.  There are THOUSANDS of species of trees in the rainforests.  There is an even larger amount of species of animals, the vast majority of which have not been discovered yet.  The soil is very poor, and the vegetation contains most of the nutrients.  Most of the species live in the canopy of the Rainforest.
Average Annual Rainfall: 157.5 in
Average temperatures of Day- 93 F
Average temperatures of Night- 68 F
 
PLANTS
Most plants in the rainforest are trees, and there are also several types of mosses and shrubs that grow on the ground.  Because only a small amount of sunlight reaches the floor, these plants are generally very small.
 
ANIMALS
The animals in the rainforest are so diverse, that scientists speculate that they only know of .1% of all of the animals.  Among these are hundreds of species of parrots, snakes, millions of other birds, the monkey, tigers, Sumatran Rhinos, and millions of other species.
 
FUN FACTS
The amount of tropical rainforest that is deforested every year is equal to the size of Britain.  That's 1,000,000 acres a week, or 100 acres a minute.
 
In 1950, 30% of the earth was tropical rainforest.  In 1975, 12% was left.  In 2002, tropical rainforests covered only 6% the earth.
 
More than 40% of the earth's orginal forests have disappeared.  Asia has lost 42% of their forests, Africa has lost 52%, and Latin America has lost 37%.
 
We are losing rainforests at a rate of 7% a year.
 
The rainforests have the highest level of biodiversity.
 
Up to 100 species of trees can live in an area of 1125 sq. ft.
 
The United States Cancer Institute has named more than 2,000 plants in the tropical rainforest that can potentially fight cancer.
 
Over 40% of the drugs prescribed the the United States work because of plants in the rainforest.

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Produced by Billy Price
2005
Rapid Run Middle School Project