Distribution - How a species is spread throughout an ecosystem., Abundance - The number of indivuals of a species in an ecosystem., Quadrat - square frame of wood or wire., Sampling bias - Not placing quadrats down randomly causes this., Modal number - Most common occurring number in a set of results., Median - The middle number in a set of results when put into numerical order., Line Transect - Recordings are taken at equal distances, the organisms touching the transect are recorded., Belt Transect - Quadrat laid at regular intervals and abundance of speciesin quadrat is recorded., Biotic factor - Living organisms that affect another living organism in an environment., Abiotic factor - Non-living physical or chemcial factors that can affect living organisms.,

Sampling Organisms Plenary

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