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Which is considered the largest biodiversity-rich region in the world?

Answer and explanation

Correct answer: Tropical rainforests

Direct answer: B, tropical rainforests. Biodiversity means the variety of living organisms, including plants, animals, fungi and microorganisms, found in a region. Tropical rainforests occur mainly near the equator, where temperatures remain warm, rainfall is high and conditions are comparatively stable through the year. These conditions support many layers of vegetation and provide numerous habitats, so tropical rainforests contain exceptionally high species richness and many endemic species. The Amazon rainforest is a major example. A, desert regions, have limited water and therefore support fewer species overall. C, polar regions, have extreme cold and a short growing season, which restrict biodiversity. D, temperate forests can be rich in life, but usually have fewer species than tropical rainforests. Memory cue: warm plus wet plus year-round stability usually means maximum terrestrial biodiversity.

Related tags

BiodiversityTropical RainforestsEcosystemsBiological DiversityAnd Classification SystemsBiodiversity And Classification SystemsThe Living WorldBiology

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