Universities, such as Cal Tech and the University of Santa Barbara as well as private organizations, including Blue Planet Biome and National Geographic, all have websites dedicated to rain forests. Most include informat... More » Science Earth Science

Plants that grow in the Amazon rain forest include cocoa trees, avocado trees, passionflowers, guava trees and sweet-potato vines. Some Amazonian plant species are epiphytes, such as orchids, mosses and ferns, that do no... More » Science Biology Botany

Tropical rain forests are forest biomes that occur close to the equator and experience high temperatures and significant amounts of rainfall each year. They may be evergreen or deciduous, and some are flooded during a po... More » Science Earth Science
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A tropical rain forest is a biome that gets at least 79 inches of rain every year and has a year-round temperature of between 68 and 95 degrees Fahrenheit. Biologists believe that as many as 30 million species of plants ... More » Science Earth Science

One of the only limiting factors of a rain forest's biome is sunlight. Because the rain forest canopy is so thick, very little sunlight filters to the forest floor, limiting what can grow there. More » Science Earth Science

The eight biomes found on Earth are the tundra, taiga, temperate deciduous forest, scrub forest or chaparral, grassland, desert, tropical rain forest and temperate rain forest. Biomes, also referred to as ecosystems, are... More » Science Earth Science

Humans change ecosystems by burning fossil fuels, cutting down trees in the rain forest, driving gasoline-powered vehicles and doing other things that affect the climate of a particular environment. In all ecosystems, li... More » Science Earth Science