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Abiotic -The non-living component of an habitat.  Abiotic components include air, soil, and water.

Adaptation(s) - An alteration or change in structure or function of a Plant or animal over successive generations that aids it in being better suited to live in its environment.

Beach: The point where the land meets the sea.  The beach is in a constant state of motion due to wave action and currents.

Ecosystem: A system formed by the interaction of a community of organisms with their physical environment.

Estuary: Unique coastal habitats where fresh water from a river mixes with salt water from the sea.  The estuary is a varied habitat were salinity, temperature, and other factors vary with change in tides.  Organisms that live in the estuarine a seven Y tolerance ranges to survive.

Habitat: A place where an organism lives.

River: A large stream of water flowing in a bed or channel and emptying into the ocean, a seat, or lake.

Salinity: The amount or concentration of salt dissolved in the water.  Salinity is expressed by the amount of salt found in 1, 000 Grams of water.  Therefore, if we have 1 g of salt and 1000 g of water, the salinity is one part per thousand, or 1 ppt.  The average oceans salinity is 35 ppt.

Turbidity: Refers to how clear the water is.  It is determined by measuring the total suspended solids ( i.e.  Soils, detritus) in the water column.  The greater number of total suspended solids the murkier the water, that means less sunlight penetrates to the bottom of the water.

Upland: High land; ground with land that is generally dry; as opposed to lowland, meadow, marsh, swap, areas.

Water shed: The region draining into a river, river system, or other body of water.

Wetlands: A lowland areas, such as a marsh or small that is saturated with moisture, especially when regarded as a natural habitat of wildlife.