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Procedures:

1. Explore the website, @http://www.zephyrus.co.uk/foodpuzzlechain.html and complete the "food chain quiz"

2. Write down what you learned from step 1 in your science notebook.

3. Visit @http://www.sciencebob.com/lab/q-web-chain.html and respond to the following questions in your science notebook: a. What is a food chain? b. What is a food web? c. What is the difference between a food chain and a food web? d. What is a producer? How is a producer part of a food web? e. What is a consumer? How is a consumer part of a food web? f. What is a predator? How is a predator part of a food web? g. What is prey? How is prey part of a food web? h. What would happen if most of the predators were removed from a food web? i. What would happen if most of the producers were removed from a food web?

4. Explore http://www.cas.psu.edu/DOCS/WEBCOURSE/WETLAND/WET1/identify.html and answer the following questions in your science notebook (Note: do not print the page; answer the questions in your science notebook instead): a. List the organism(s) that are producers. b. List the organism(s) that are consumers. c. Draw three food chains found within this food web. d. How many different food chains can you find in the food web pictured? e. What is missing from this food web?

5. Go to @http://www.vtaide.com/png/foodchains.htm to answer these questions. a. In any ecosystem, there are fewer carnivores than herbivores. Why? [Hint: think about how energy is transferred] b. Why would it be extremely rare to find a food chain with nine links in it?