AP Environmental Science: Unit 1 Review - Ecosystems

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20 Terms

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Paratism

- one species live on /in the other (host) is harmed (+,-)

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Commensalism

- one species benefit while the other is unaffected (+, o)

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Marshland

- found along the coast in temperate climates, contains non- woody merging vegetation.

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Estuaries

- a coastal body of water, partly surrounded by land, with access to the open ocean and a large supply of fresh water from a river.

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Symbiosis

- a long- term interaction between two species in an ecosystem.

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Shrubland

- biome around California coast and the Mediterranean Sea, hot summers and mild, rainy winters, contains fire- tolerant shrubs.

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Mutualism

- benefit both species (+, +)

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Main reservoir

- oceans, ice caps, groundwater.

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Decomposition

- releases CO2.

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Major reservoirs

- rock and sediment.

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Marine Biomes

- oceans, coral reefs, marshland, and estuaries.

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Competition

- individuals from different species (interspecific) or same (intraspecific) struggle to obtain limited resources.

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Burial of organic life stores

carbon in sediment & fossil fuels.

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AP Environmental Science

: Unit 1- Ecosystems.

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Main sinks

- the atmosphere, living things, the ocean, sediment, & fossil fuels.

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Primary Productivity

- rate at which sunlight is converted into organic compounds over a unit of time.

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Biome

- contains characteristic communities of plants and animals that result from, and are adapted to, its climate.

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Streams rivers

- A freshwater ecosystem in which the water flows in a current.

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Freshwater Biomes

- streams, rivers, ponds, and lakes.

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Nitrogen Fixation

- process in which atmospheric nitrogen (N2) is converted by bacteria into a form of nitrogen usable by plants.