Succession: The orderly changes of plant life (producers) in an area. ntals/images/succession.gif

The type of plants determine the order of primary consumers. (herbivores) urh/eng/eq_acs.htm

 The primary consumers determine the order of secondary consumers. 20Images20Images/Secondary_Consumers.gif

Pioneers are the first of something in an area. The 1st plants in a field are called “pioneer”. Pioneer plants in an area are generally grasses. oneer% oneer%20plants%20during%20drought%20 on%20trail.jpg

 Grasses die and decompose adding to the dirt layer.  Herbs and flowering plants enter. They grow taller than the grass. asztalos/buttercup.jpeg

 Herbs and flowering plants will be killed off.  Next comes bushes and shrubs. /native%20shrubs.jpg

 Next comes softwood trees. These are quick growing trees. An example would be the poplar tree.

 Then comes in the conifer or evergreen tree. csg-graphs/Pics/conifer2_1.JPG

 Climax species - This is the final phase in succession. A climax species will be hardwood trees such as oak or maple. ak_tree_in_back_yard_morning_1.jpg

 SECONDARY SUCCESSION occurs when something causes the order to back up : lib/s/secondary_succession/support.gif

 National : fire, hurricane, tornado, comet impact, volcano eruption, tsunami, earthquake, ice age/glacier, floods /western_US_forestfire_and_elk.jpg

 Humans: deforestation, urbanization, farming,