Communities, Biomes, and Ecosystems

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What is ecological succession?

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The change in an ecosystem that happens when one community replaces another as a result of changing abiotic and biotic factors.

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What are wetlands?

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Areas of land such as marshes, swamps, and bogs that are saturated with water and support aquatic plants.

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What is primary succession?

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The establishment of a community in an area of exposed rock that does not have any topsoil.

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What is latitude?

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The distance of any point on the surface of Earth north or south from the equator.

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What is an estuary?

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An ecosystem that is formed where a freshwater river or stream merges with the ocean.

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What is a climax community?

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A stable and mature community that undergoes little or no change in species over time.

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What are abiotic factors?

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Non-living chemical and physical parts of the environment that affect living organisms.

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What is secondary succession?

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The process of recovery and re-establishment of a community after a disturbance that does not eliminate all life.

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What is a biome?

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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 biodiversity?

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The variety of life in the world or in a particular habitat or ecosystem.