Earth's Biomes

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What is a biome?

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A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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Which biome receives the most rainfall per year?

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Rainforest.

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What biome contains the greatest diversity of organisms?

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Rainforests.

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What is the Tundra biome?

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A cold, treeless biome with low-growing vegetation, characterized by permafrost.

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What is a Deciduous Forest?

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A forest biome where trees shed their leaves seasonally.

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What is the Taiga/Boreal Forest biome?

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A biome characterized by coniferous forests, found in cold climates.

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How much rainfall does the Tundra receive?

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About the same amount as a desert, which is low.

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What are Grasslands?

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Biomes dominated by grasses, with few trees, often found in regions with moderate rainfall.

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What is the main characteristic of a Desert biome?

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Deserts receive very little rainfall, typically less than 10 inches per year.

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What is biodiversity?

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The variety of life in a particular habitat or ecosystem.