Trophic levels
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I feel the Earth move under my feet.....but why????

Go to the following web sites and watch the content of the pages which are linked. Write a description of what happens on or during each animation and describe the concept each is illustrating.


Animation #1





Animation #2



Animation #3



Animation #4



Animation #5


On the following links, read the introduction, then view the animation by clicking on the tab. Describe what happens in each animation, then take the quiz. Copy the question, then write your answer to be handed in tomorrow.



Animation #6


View the following animation and describe what happens. Is it primary or secondary succession?

Animation #7



View the following animation and describe what happens. Is it primary or secondary succession?

Animation #8



Web Quest

On the web quest linked just above this sentence, ignore the questions to be answered during the web quest and answer the following objectives:
After studying this material you should be able to:

1. Describe an ecosystem and explain how the biological community interacts with its environment.

2. Explain the role of disturbance in (natural and managed) ecosystems and its relationship to succession.

3. Explain what primary succession is and give some real world examples.

4. Explain what secondary succession is and distinguish it from primary succession.

5. Describe the general types of environmental change that occur during succession.

6. Explain the role of ecosystem disturbances (such as fire) as natural and necessary environmental factors in the maintenance of some ecosystems.


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Lowell Bailey

Bedford-North Lawrence High School
Route 13 Box 410
Bedford
IN
47421
USA
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