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Ecological Succession
Student Page
Essential Questions:
How does matter and energy flow through ecosystems?
Enduring Understandings
In biotic and abiotic cycles, matter and energy are transferred and converted from one
form to another. Both matter and energy are necessary to build and maintain
structures within the organisms
 The existence of life on Earth depends on interactions among organisms and
between organisms and their environment.
symbiosis, mutualism, commensalism, parasitism, predation, predator, prey,
Topical Questions:
How are all organisms dependent on each other?
 Describe how events and processes that occur during ecological succession can change populations and species diversity.
Directions: Complete the following as you watch the Ecological Succession PowerPoint.
1. What is succession?
2. Give examples of abiotic factors that can cause change in a community.
3. Give examples of biotic factors that can cause change in a community.
4. The first organisms to arrive during primary succession are called __________________________ .
Give examples:
5. The next species that come in take advantage of the work done by the pioneer species. These are called
_________________________ .
6. Describe what happens to the biodiversity of a community as it ages.
7. A community that reaches a stable state of maturity is called a _____________________________ .
8. Complete the concept map.
Types of Ecological Succession
updated 9/05/2010
9. Describe what is happening in each stage in the diagram below.
updated 9/05/2010