Biotic factors of tropical rainforests around the world include many types of insects, plants and animals, including ferns, mosses, tree frogs and exotic birds. Rainforests on the Earth's surface come in many types, incl... More »

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 »

In tropical rain forests, such as the Amazon in South America, decomposer organisms include certain species of worm, fungi, bacteria and small arthropods. Decomposers are also known as saprotrophs and obtain nutrients by... More »

The biotic, or living, factors in the tropical rainforest include hundreds of thousands of species of plants, animals, bacteria and fungi. Rainforests are noteworthy for the incredible abundance of species that live in t... More »

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Biotic factors in the Arctic tundra, as with other ecosystems, include living organisms, such as microorganisms, plants and animals. The biotic factors of the tundra include over 1,500 species of plants, which classify a... 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 »

Since most rainforests are located near the equator, their climate is always hot, wet and humid. Temperatures in tropical rainforests do not change much. The Amazon rainforest generally retains a temperature between 68 t... More »