One of the most interesting facts about the tropical rainforest is that half of the plants and animals on the planet live in these habitats and many species may still be undiscovered. Rainforests contain two-thirds of ea... More » Science Environmental Science

The Earth's rainforests have been given well-deserved nicknames, such as "lungs of the planet" and "cradles of biodiversity." Tropical rainforests cover no more than about 6 percent of the planet, yet one of the Earth's ... More » Geography Maps & Cartography

A tropical rain forest is a forest that is located in a region that is warm year round with tall trees. On average, between 50 to 260 inches of rain falls in a tropical rain forest each year. More »

Advantages from building dams include delivering more water and energy to local populations, expanding surrounding riparian habitats and controlling floods, while disadvantages include harm to the plants and animals in l... More »

The five types of biomes -- regions of the planet that have similar climate, plants and animals -- are aquatic, desert, forest, grassland and tundra. Some authorities divide these into subcategories. More »

The layered structure of a tropical rainforest includes the forest floor, understory, canopy and emergent layer. Each layer contains different flora and fauna unique to its environment. The fundamental difference between... More »

Some of the abiotic factors found in a tropical rainforest are high temperatures, heavy rainfall, poor nutrient content in soil and sunlight that is found primarily at the tree canopy level while remaining limited at gro... More »