A rain forest is a forest which recieves more annual precipitation, than it can evaporate.
Hadley cells (circular wind currents) are usually responsible for this intense rain. These wind currents will take water away from areas north and south of the rainforest and drop the rain in these forested areas. That is why rainforests typically have either deserts or dry grasslands above and below them.
The rainforests of the world are locate at the equator, the heat in this region is what powers these hadley cells to circulate rain over them.
Rainfoests have abundant diversity of plants and wildlife, there are many endemic species in the rainforests, found no where else in the world.
The forest in the rain forest is actually not very productive however, the soil is completely depleted of almost all nutrients, and these minerals are all stored in the trees. The rainforest is one of the most productive recycling systems in the world, if something dies in the rainforest, it isnt long before it is broken down and re-cycled though the forest.
Good Question, it was lots of fun, made me think there!
2006-07-21 03:59:14
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answer #1
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answered by Anonymous
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A rainforest is essentially a non-seasonal forest, where rainfall is both abundant and constant.
When a rainforest is disturbed, such as by hurricane, lightning strikes or human activity,
the disturbed area is opened, permitting the penetration of large amounts of light.
Fast growing plan species intolerant of shade are temporarily favored
and a tangle of thin-boled trees, shrubs and vines result.
Like a huge, dense pile carpet, a mass of greenery, or "jungle",
soon covers the gap created by the disturbance.
Another explanation:
A tropical rainforest has more kinds of trees and other plant life than any other area of the world. Most trees in the tropical rainforest are broad leaf trees that grow closely together. The tallest trees may grow as tall as 200 feet. The tops, called crowns, form a covering of leaves about 100-150 feet above the ground. This cover is called the upper canopy. The crowns of the smaller trees form one or two lower canopies. These canopies share the forest floor so that it receives less than one percent as much sunlight as does the upper canopy. As a result, only ferns and other plants requiring little sunlight grown on the forest floor. This makes it possible for a person to easily walk through most parts of a tropical rainforest.
However, areas of dense growth occur where much sunlight reaches the ground. These areas are called jungles and grow in swamps, near broad rivers or in former clearings.
2006-07-21 03:57:37
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answer #2
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answered by Anonymous
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Is the tropic forest around the world. The biggest one is in Amazon basin.
2006-07-21 04:03:59
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answer #3
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answered by galactic_man_of_leisure 4
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One of the areas that provides the biggest source of oxygen.
2006-07-21 03:55:26
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answer #4
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answered by Curious 2
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It's a big jungle that provides us with oxygen, but which we're stupidly destroying in the name of progress.
2006-07-21 03:56:26
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answer #5
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answered by Brenda B 3
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obviously, it is a forest area that receive alot of rain fall. lol
2006-07-21 04:06:53
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answer #6
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answered by cool nerd 4
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