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abiotic  relating to non-living things
abundance  the number of organisms in an area
allelopathy   the inhibition of one species of another by the secretion of chemical substances
anaerobic without air
anoxic  without oxygen
commensalism a relationship between two species in which one benefits while the other is not disadvantaged
 detritus decayed and partially decayed material with an organic origin
 distribution  the region inhabited by an organism
 mangrove a  tree or shrub growing in the intertidal zone capable of withstanding regular flooding with saltwater
 mutualism the close relationship between organisms of different species where both benefit
 quadrat an area of ground surface used as a sampling unit
parasitism   the relationship in which an organism lives in or on an organism and feeds from it
 transect   a straight line cross-section of an area  
   
   
   
   
   
   
   
   
   
   

 

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