MS-LS2-3: Energy Flow in an Ecosystem

Front

Ecosystem Noun

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[ee-koh-sis-tuhm]

Back

Ecosystem

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A biological community of interacting organisms and their physical environment, functioning together as a single, complex unit.

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Example: An ecosystem includes animals, plants, and their environment interacting together.

Front

Basin Noun

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[bey-sin]

Back

Basin

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A natural depression on the Earth's surface, typically one that holds water and collects sediment from surrounding higher land.

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Example: A basin is shown as a depression collecting water from surrounding land.

Front

Migration Noun

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[mai-grey-shuhn]

Back

Migration

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The seasonal movement of a population of animals from one region to another for feeding or breeding purposes.

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Example: The image shows the seasonal cycle of bird migration, including breeding and overwintering phases.

Front

Abiotic Factor Noun

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[ey-bahy-ot-ik fak-ter]

Back

Abiotic Factor

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A non-living chemical or physical part of the environment that affects living organisms and the functioning of ecosystems.

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Example: This image shows abiotic factors like sunlight, water, and temperature, which are non-living parts of an ecosystem.

Front

Alkaline Adjective

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[al-kuh-lahyn]

Back

Alkaline

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A substance having the properties of a base, or a pH value greater than 7, making it non-acidic.

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Example: The pH scale shows alkaline substances with values above 7, indicating they are non-acidic.

Front

pH Noun

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[pee-eych]

Back

pH

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A numeric scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.

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Example: This scale shows that substances like lemon are acidic (low pH), milk is nearly neutral (pH 7), and ammonia is basic (high pH).

Front

Precipitation Noun

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[pri-sip-i-tey-shuhn]

Back

Precipitation

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Any form of water, such as rain, snow, sleet, or hail, that falls to the Earth's surface from the atmosphere.

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Example: The image shows clouds releasing rain and snow, demonstrating precipitation as water falling to Earth.

Front

Salinity Noun

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[suh-lin-i-tee]

Back

Salinity

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The measure of the concentration of all dissolved salts in a body of water, often expressed in parts per thousand.

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Example: A world map uses colors to show different salinity levels in ocean regions, illustrating salt concentration.

Front

Tufa Tower Noun

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[too-fuh tou-er]

Back

Tufa Tower

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A porous limestone rock structure formed when carbonate minerals precipitate out of ambient temperature water at an underwater spring.

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Example: Tufa towers are limestone formations created when minerals precipitate from water at springs.

Front

Carbonate Noun

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[kahr-buh-neyt]

Back

Carbonate

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A salt or mineral containing the carbonate ion which can combine with calcium to form limestone rock deposits.

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Example: The image shows the carbonate ion structure, explaining how it combines with calcium to form limestone.

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