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MA 6.3 A food web identifies producers, consumers, and decomposers, and explains the transfer of energy through trophic levels. Relationships among organisms.

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Presentation on theme: "MA 6.3 A food web identifies producers, consumers, and decomposers, and explains the transfer of energy through trophic levels. Relationships among organisms."— Presentation transcript:

1 MA 6.3 A food web identifies producers, consumers, and decomposers, and explains the transfer of energy through trophic levels. Relationships among organisms add to the complexity of biological communities. 13.4 FOOD CHAINS AND FOOD WEBS

2 *two page notebook format* Do Now: 1) What do you get from eating food? 2) How did nutrients and energy get into the foods you eat? 3) What other ways could you get energy for your body’s needs, besides eating? Monday, NOV 3, 2014 Topic: Ecology Objectives: Describe the structure of a food chain. Explain how food chains and trophic levels are related. Create a food web. Analyze feeding relationships in a food web. Page 29 Page 30

3 Food Chain A food chain is a model that shows a sequence of feeding relationships

4 Types of consumers and Trophic Levels

5 Food Web A food web shows a complex network of feeding relationships.

6 13.4 Formative Assessment – answer problems 1-5 on page 387


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