Docstoc

Boundaries of an ecosystem

Document Sample
Boundaries of an ecosystem Powered By Docstoc
					Boundaries of an ecosystem



arbitrary determined

      -      usually, defined by the person studying the environment

      Boundaries overlap

             -No single ecosystem is truly isolated

Natural Changes in Ecosystems

      -Ecosystems are always changing either on a small scale or a large scale

      -      Succesion = species replacement in an ecosystem
       -Primary succession = “first wave” of organisms in an are where nothing has
lived before.

        -Secondary succession = “second wave” of organisms that replace those of
the first wave.

       - Climax Community = final community of organisms within a particular
ecosystem.

				
Jesse  Huffman Jesse Huffman
About