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science 2

TermDefinition
Abiotic: The nonliving part of an ecosystem.
Biodiversity: An ecosystem that has many different species in that area.
Biotic: The living part of an ecosystem.
Delta: A landform made of sediment that is deposited where a river flows into an ocean or lake.
Divide: A ridge of land that separates one drainage basin or watershed from another.
Ecosystem: All the living population and nonliving parts of an environment.
Eutrophication: The process by which nutrients in a lake build up over time, causing an increase in the growth of algae.
Groundwater: Water that fills the cracks and pores in underground soil and rock layers.
Habitat: The place where an organism lives and that provides the things it needs to survive.
Marsh: A grassy area covered by a shallow layer or stream of water.
Meander: A looping curve formed in a river as it winds through its flood plain.
Pollution: A change to the environment that has a negative effect on living things.
River System: All of the streams and channels draining a river system.
Runoff: Water that flows over the ground surface rather than soaking into the ground.
Salinity: The total amount of dissolved salts in a water sample
Stream: A channel through which water is continually flowing downhill.
Swamp: A flooded forest with trees and shrubs growing in the water.
Turbidity: A cloudy condition in water due to suspended silt or organic matter.
Watershed: The land area that supplies water to a river system.
Wetland: An area of land that is covered with a shallow layer or water during some or all of the year.
estuary a coastal inlet or bay where freshwater mixes with salt water
Created by: 1500185
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