are among the Earth's oldest forest communities. Tropical rain forests get

their name from their location between the Tropic of Cancer and the Tropic

of Capricorn, on either side of the Equator. They are also found in lowlands.

There are more varieties of species of plants and animals in tropical

rain forests, than in all the worlds ecosystems combined. Around 70 percent

of all plant species in the rain forest are trees.

All tropical rain forests are vertically stratified usually having three to

five layers of plant life. There are emergent trees protruding partly or

completely above the upper canopy; one to three different closed canopies;

and the understory. The upper canopy can reach approximately thirty to

fifty meters (100 to 165 ft) above ground.

Wood like vines called lianas, weave through the branches of trees.

Lianas usually exceed twenty centimeters (8 inches) in diameter, their tops

are able to reach the upper canopy.

Dense communities of epiphytes such as bromeliads and orchids grow

on the trunks and branches of trees. This location gives them more access to

mangrove). They also extend beyond the tropics, and in South America.

feet). The upper canopy and emergents do not form a continuous layer. The

canopy. In dense tropical rain forest most animals live in the canopy. More

species, that have not yet been discovered by scientists.

All this amazing variety of species in tropical rain forests, is a result

valuable links in unknown. Scientists agree that properly managing the

also a decrease lianas in the middle strata. Subtropical rain forests are

never less than 1,500 millimeters (59 inches) annually.

All rain forest contain arboreal animals, animals that live in the

Some common words found in the essay are:
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Approximate Word count = 2063
Approximate Pages = 8 (250 words per page double spaced)