ECOLOGY QUESTION 1985:			L. PETERSON/AP BIOLOGY

	Describe the process of ecological succession from a pioneer community 
	to a climax community. Include in your answer a discussion of species
	 diversity and interactions, accumulation of biomass, and energy flow.  


  STANDARDS:
  DESCRIPTION
  __  Definition of Succession
  __  Differentiation (Primary/Secondary)
  Examples:
  __  Pioneer
  __  Climax
  __  Sere (two or more examples = 2 points)
  __  Modification of the environment
  
  SPECIES DIVERSITY
  __  Explanation of increase
  __  Types of Competition (or Niche)
  __  Examples
  __  Change in Population Density
  __  Description of Food Web
  __  R-Strategists -> K-Strategists (2 points)
  __  Change in Symbiotic Relationships (increase toward mutualisms)
  
  BIOMASS
  __  Production increase and explanation (2 points)
  __  Levels of Organizationm (Autotrophs & Heterotrophs)
  __  Examples of Producers (etc.)
  __  Pyramid or Explanation
  
  ENERGETICS
  __  Source (Sun)
  __  Utilization - Photosynthesis
  __  Explanation of Decrease (entropy -unused) OR  Pyramid + Explanation
  __  Climax Stability (Dynamic Equilibrium)
  __  P/R toward 1
  __  Net Productivity Decrease