Examlex
Write a balanced half-reaction for the reduction of permanganate ion,MnO7−,to Mn2+ in an acidic solution.
Species Richness
The number of different species present in an ecological community, reflecting its biodiversity.
Tropical Rain Forest
A dense, warm, wet forest biome found near the equator, known for its high biodiversity and complex ecosystem.
Savanna
A tropical grassland containing scattered trees; found in areas of low rainfall or seasonal rainfall with prolonged dry periods.
Tundra
(tundra) A treeless biome between the boreal forest in the south and the polar ice cap in the north that consists of boggy plains covered by lichens and small plants. Also called arctic tundra. Compare with alpine tundra.
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