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A rainforest is an area of tall, mostly evergreen trees that receives a high amount of rainfall. Learn about the four layers of a rainforest, the plants and animals that live there, and the importance of rainforests for the global climate.
Explore the differences and similarities between tropical and temperate rainforests, their biodiversity, ecology, and conservation. This web page does not provide a direct comparison and contrast of the two types of rainforests, but it covers the essential topics and facts.
Learn about the types, layers, benefits, and threats of rainforests, the ecosystems filled with mostly trees that receive high amounts of rainfall. Find out how rainforests are connected to biodiversity, climate change, and human activities.
A biome is a large area characterized by its vegetation, soil, climate, and wildlife. Learn about the five major types of biomes: aquatic, grassland, forest, desert, and tundra, and their characteristics and examples.
Learn about the characteristics, types, and threats of grassland biomes, which are large open areas of grasses with low rainfall and frequent fires. Explore the animals and plants that live in savannas and temperate grasslands, and how humans have impacted them.
Learn what a biome is, how it differs from an ecosystem, and how it is classified by various criteria. Explore the features and examples of different biomes, such as forest, grassland, freshwater, marine, desert, and tundra.
Learn about the main types of biomes and their adaptations, such as tundra, desert, grassland, forest, and rainforest. Explore how climate, organisms, and human activity influence biome definitions and boundaries.
Learn about the different types of grasslands, such as steppes, savannas, prairies, and pampas, and their characteristics, plants, and animals. Find out how grasslands are threatened by human activities and how they can help mitigate climate change.
Learn about rainforests, their biodiversity, ecology, and conservation. Explore videos, articles, and activities on tropical and temperate rainforests, their role in the global ecosystem, and the threats they face.
The Amazon Basin supports the world’s largest rainforest, which accounts for more than half the total volume of rainforests in the world. Occupying much of Brazil and Peru, and also parts of Guyana, Colombia, Ecuador, Bolivia, Suriname, French Guiana, and Venezuela, the Amazon River Basin is the world’s largest drainage system.