Eatin’ for Energy An Exploration of Food Chains & Food Webs.

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Presentation transcript:

Eatin’ for Energy An Exploration of Food Chains & Food Webs

Provide a definition for food chain in your own words: Provide a definition for food chain in your own words: a linear (“straight line”) diagram that shows what an organism eats and is eaten by in its environment Provide a definition for food web in your own words: Provide a definition for food web in your own words: a bunch of food chains combined all together. This appears to be a complete mess! a bunch of food chains combined all together. This appears to be a complete mess! Food Web

Part 1: Analyzing and Creating Food Chains Eaten by Producers Secondary Consumers Primary Consumers Decomposers & Scavengers

Part 1: Analyzing and Creating Food Chains Eaten by Producers Secondary Consumers Primary Consumers Decomposers & Scavengers Trees, Plants, Algae, etc. Make their OWN FOOD Provides the ENERGY!! HerbivoresOmnivores Carnivores Omnivores Depend on others for their food/energy Fungus, maggots, vulture, etc Breaks “stuff” down

Part 2: Making a Food Chain Cut your strips of paper Cut your strips of paper On the back of each strip, write the organism’s role (producer, consumer, decomposer) On the back of each strip, write the organism’s role (producer, consumer, decomposer) Tape or staple your strips into a chain Tape or staple your strips into a chain On your paper, draw 3 of the food chains you created, and tell the role of each organism in the chain. On your paper, draw 3 of the food chains you created, and tell the role of each organism in the chain.

Follow-up Why couldn’t you make one long chain of all your cards? Why couldn’t you make one long chain of all your cards? What was the longest chain you could make? What was the longest chain you could make? Explain. Explain. What would happen if one of your “links” were missing? What would happen if one of your “links” were missing?

Part 3: Analyzing & Creating Food Webs Producers Decomposers HerbivoresCarnivores Omnivores

Make your Food Web! Combine the food chains that you just created into one big food web for your group! Combine the food chains that you just created into one big food web for your group! Draw the food web you created (the best that you can) in the space on your note sheet. Draw the food web you created (the best that you can) in the space on your note sheet.

Our Food Web:

Part 4: Conclusions 1. What is necessary for all food chains and food webs? Energy from the sun Energy from the sun 2. Compare and contrast food chains and food webs. Both show the relationships among predators and prey, but food webs are much more complex and accurate. 3. Analyze the importance of protecting all living things. 4. Predict what would happen to food chains, food webs, and ecosystems if an endangered animal becomes extinct.