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E.S Unit 3

Aquatic having to do with water
Marine aquatic ecosystems that contain dissolved salts
Salinity refers to the amount of salt dissolved in a medium (salt water)
Photic zone the surface layer of aquatic environment that is penetrated by sunlight
Salt marsh temperate zone estuaries located along seacoasts
Estuary environments where rivers meet the sea or where fresh water meets salt water contain a mixture of fresh water and salt water.
Lagoon a body of water separated from a larger body of water by a reef or strip of land
Mangrove coastal wetlands dominated by salt- tolerant plants.
Amoeba a single –celled organism that ingests its food by engulfing it with appendages called pseudo pods, or false feet, same method used for movement/locomotion.
Extremophile organism that lives in extreme environments.
Aquifers underground layer of water and permeable rock where water can be extracted using a well.
Saturation occurs when the space between soil particles are completely filled with water.
Solvent a liquid that dissolves a solute such as salt
Homeostasis. when a system is maintained at consistent internal environmental conditions
Surface tension property of water that causes it to stick to others surfaces and allows things to float due to hydrogen bonding.
Point source pollution any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory some stack.
Nonpoint source pollution water pollution that enters a body of water from undefined sources
Clean water act federal law that regulates and governs water pollution.
Effluent an outflow of pollution into a body of water.
Urban runoff when rainwater runs over roads and driveways within a city, picking up toxic substances and eventually running into a body of water.
Troposphere lowest portion of the earth’s atmosphere
Stratosphere 2nd layer of the layer of the earth’s atmosphere just above the troposphere
Mesosphere layer of the earth’s atmosphere directly above the stratosphere
Thermosphere largest layer of the atmosphere above the mesosphere.
Exosphere uppermost layer of the atmosphere
Air pollution introducing substances into the air that may be harmful to living organisms or the environment
Particulates small particles that are suspended within the atmosphere
Air pollutants substances that cause air pollution
Primary pollutants directly emitted from a process or source
Secondary pollutants form in the air from the interaction between primary pollutants
Ozone atmospheric gas
Ozone layer layer of earth’s atmosphere that contains high amounts of ozone located about 5 to 30 miles above the earth’s surface within the stratosphere.
Radiation a form of energy that can cause mutations resulting in cancer
UVB a type of radiation emitted from the sun that can be beneficial and damaging to humans
Ozone depleting substances (ODS) substance that destroys ozone
Chlorofluorocarbons(CFCs) used as coolants, solvents and propellants
Halon a ozone depleting substance that is used to extinguish fires
Created by: jms2012