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Tropical Rainforest

Biotic Factors- Plants

Abiotic Factors

Biotic Factors- Animals

Symbiotic Relationships

Environmental Crisis- Deforestation

Places of Interest

Location

Predator-Prey Relationships

Works Cited

Food Web

The tropical rainforest biome is mainly found in three major geographic areas around the world. Central America- Amazon river basin Africa- Zaire basin, with a small area in West Africa; also eastern Madagascar Indo-Malaysia- west coast of India, Assam, Southeast Asia, New Guinea and Queensland, Australia

Dawn Bat - Eonycteris spelaea Silvery Gibbon - Hylobates moloch Toco Toucan - Pamphastos toco Kinkajou - Potos flavus Proboscis Monkey - Nasalis larvatus

The abiotic factors of the tropical rainforest include: -yearly average of 50 to 260 inches of precipitation -temperature range is between 68 F-93 F degrees (20 C-34C) -average humidity is 77-88% -usually a brief season of less rain (in monsoonal areas, there is a dry season)

The tropical rainforest is a sweltering, moist biome found near Earth's equator. Tropical rainforests receive from 60 to 160 inches of precipitation throughout the year, and the precipitation is evenly distributed throughout the biome. Tropical rainforests contain the greatest biodiversity in the world. The union of constant warmth and abundant moisture makes the tropical rainforest an appropriate environment for many plants and animals. Over 15 million species of plants and animals live within this biome. Although tropical rainforests cover less than 2% of Earth's surface, they account for about 50% of all life on planet Earth.

-Amazon Rainforest: Cabo Orange National Park, Tumucumaque Mountains National Park, Mamiraua -Eastern Madagascar: Andasibe National Park, Masoala National Park -Queensland, Australia ("Gold Coast"): Springbrook National Park, Lamington National Park, Tamborine National Park

Many different actions can be taken to prevent the deforestation of rainforests. On a global scale, other woods or materials could be substituted in all cases in which tropical timber is used. Farmers can use "crop rotation" so that they don't clear trees for new lands after using up only one type of mineral in their current land. As an individual, people can use recycled paper or reusable shopping bags. Citizens can plant trees in their backyards to make up for the trees cut down in rainforests, and replace firewood with coal.

Deforestation of tropical rainforests is increasing mainly because the worlds population is growing rapidly. As the population increases, the number of forest products needed also increases, resulting in the cutting down of rainforests. Additional causes of the destruction of rainforests include ranching and logging. If deforestation of tropical rainforests continues, major climatic and environmental changes will occur. Destroying rainforests causes more carbon dioxide to be released into the atmosphere, resulting in the greenhouse effect. The greenhouse effect raises temperatures globally, and may result in the melting of polar ice caps. If the polar ice caps melt, our sea levels will rise, causing major flooding all over the globe.

In the tropical rainforest, there exist many predator-prey relationships. For example, the orb-weaving spider in New Guinea weaves strong enough webs to catch birds. Additionally, giant anteaters have long, sticky, 24-inch barbed tongues to get termites out of narrow termite nests. Antbirds dine on stationary, camouflaged, or hard to find insects. These birds follow army ant lines. They do not eat the ants, but use the ants trail to find hidden or concealed insects. Antbirds wait to see what insects move out of the army ants way. When a camouflaged insect moves, the bird sees it and eats it.

In tropical rainforests, certain species of ants have symbiotic relationships with particular species of caterpillars. Certain caterpillar species produce sweet chemicals from "dew patches" on their backs, upon which a specific ant species will feed. In return, the ants fervently protect the caterpillar and have even been observed carrying the caterpillar to the nest at night for safety.

Bougainvillea - Bougainvillea spectabilis Strangler Figs - Ficus ssp. Kapok Tree - Ceiba pentandra Curare - Chondrodendron tomentosum Jambu - Syzygium aqueum

Works Cited “Amazon Rainforest Unique places of interest.” Amazon-Rainforest. Amazon-Rainforest.org, 2004. Web. 10 Apr. 2011. <http://www.amazon-rainforest.org/places-of-interest.html>. Benders-Hyde, Elisabeth. “Tropical Rainforest.” Blue Planet Biomes. Brynn Schaffner, 2010. Web. 10 Apr. 2011. <http://www.blueplanetbiomes.org/index.htm>. “[Biomes - Living Worlds] :: Rainforest :: .” ThinkQuest. N.p., n.d. Web. 10 Apr. 2011. <http://library.thinkquest.org/C0113340/text/biomes/biomes.rainforest.animals.html>. “Earth Floor: Biomes.” Cotf. Wheeling Jesuit University, 5 Apr. 2005. Web. 10 Apr. 2011. <http://www.cotf.edu/ete/modules/msese/earthsysflr/rforest.html>. “The East of Madagascar.” TravelMadagascar. N.p., n.d. Web. 10 Apr. 2011. <http://www.travelmadagascar.org/CITIES/The-East.html>. “Gold Coast Places of Interest.” Australia Tourist Guide. IA Connections - Sydney Australia, n.d. Web. 10 Apr. 2011. <http://www.sydney-australia.biz/queensland/gold-coast/places-of-interest.php>. “IV. Destruction of the Rainforests.” DaveSite. N.p., n.d. Web. 10 Apr. 2011. <http://www.davesite.com/rainforests/review4.shtml>. Symbiotic relationships. Mongabay. Rhett Butler, 2010. Web. 10 Apr. 2011. <http://rainforests.mongabay.com/0202.htm>.

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