Environmental Science Midterm-Module 7

MAIN TYPES OF ECOLOGICAL SUCCESSION:
Creation of life in an area where no life existed before. Begins in a place without soil. 
 
Primary Succession
Secondary Succession
Third Succession
New Succession
MAIN TYPES OF ECOLOGICAL SUCCESSION: Re-stabilization or re-creation of life followed by disturbance where life existed before. Organisms are destroyed but the soil is safe. 
Primary Succession
Secondary Succession
Third Succession
New Succession
Select 3 parts of Primary Succession
Pioneer Stage
Intermediate Stage
Climax Stage
Beginning Stage
Main Stage
Organisms that do not need soil to survive
 
Example: 
  • Lichens 
  • Moss 
Pioneer Stage
Intermediate Stage
Climax Stage
Organisms that need soil to survive
 
Example: 
  • Grass 
  • Immature Trees 
Pioneer Stage
Intermediate Stage
Climax Stage
Is a mature and stable community that is the final stage of ecological succession.
Pioneer Stage
Intermediate Stage
Climax Stage
3 THREATS TO ENVIRONMENT
Diseases
Invasive Plants
Human Development
Disaster
Roland James
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