The Biosphere

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, where life exists on Earth, including land, water, and the atmosphere.

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What is a biome?

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

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What is the largest biome in Yellowstone National Park?

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The largest biome in Yellowstone National Park is the forest.

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What is a national park?

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A national park is a protected area established by a government to preserve the natural environment and wildlife.

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What year was Yellowstone National Park established?

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Yellowstone National Park was established in 1872.

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Why are wolves important to the ecosystem?

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Wolves are considered a keystone species because they help maintain the balance of the ecosystem by controlling the population of herbivores.

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What is a keystone species?

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A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.

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What are geysers?

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Geysers are hot springs that periodically erupt with steam and hot water due to geothermal activity beneath the Earth's surface.

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What causes geysers to erupt?

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Geysers erupt due to the buildup of pressure from steam and hot water beneath the ground.

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What is the significance of the reintroduction of wolves to Yellowstone?

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The reintroduction of wolves to Yellowstone in 1995 helped restore balance to the ecosystem by controlling the elk population.