Eatin’ for EnergyEatin’ for EnergyAn Exploration of Food Chains & Food An Exploration of Food Chains & Food

WebsWebs

Talk With Your Tables!Talk With Your Tables!

• What do you think “Eatin’ for Energy” What do you think “Eatin’ for Energy” means?means?

• How does it relate to what you have How does it relate to what you have already learned about Ecology?already learned about Ecology?– Use some of the new vocabulary words Use some of the new vocabulary words

you have learned.you have learned.– HINT: Think HINT: Think living things, organisms, living things, organisms,

niche!niche!

• Provide a definition for Provide a definition for food chainfood chain in your own in your own words:words:a linear (“straight line”) a linear (“straight line”) diagram that shows diagram that shows what an organism eats what an organism eats and is eaten by in its and is eaten by in its environment environment

• Provide a definition for Provide a definition for food webfood web in your own in your own words:words:a bunch of food chains a bunch of food chains combined all together. combined all together. This appears to be a This appears to be a complete mess! complete mess!

Food Web

Talk at your group….Talk at your group….

• How do these definitions compare to How do these definitions compare to the ones you wrote yesterday?the ones you wrote yesterday?

• Make adjustments to your Make adjustments to your definitions, if necessary!definitions, if necessary!

Let’s go over yesterday’s Let’s go over yesterday’s work before we move on!work before we move on!

1.1. In general, what do you notice about In general, what do you notice about each of the food chains?each of the food chains?

2.2. What observations can you make about What observations can you make about animals like the shark and killer whale?animals like the shark and killer whale?

3.3. What observations can you make about What observations can you make about the fur seal?the fur seal?

4.4. How do your observations (#2 & #3) How do your observations (#2 & #3) help you understand food chains & help you understand food chains & food webs?food webs?

Let’s go over yesterday’s Let’s go over yesterday’s work before we move on! work before we move on! (cont.)(cont.)5. What conclusion can you make about the 5. What conclusion can you make about the living thing living thing at each end of the food chains at each end of the food chains you created?you created?

6. Which picture represents the object 6. Which picture represents the object responsible for keeping all living things alive? responsible for keeping all living things alive? WHY??? WHY???

7. Write a summary of what you have 7. Write a summary of what you have learned through today’s activity. Be learned through today’s activity. Be prepared to share your response with your prepared to share your response with your peers. SHARE NOW!peers. SHARE NOW!

Now let’s build on what Now let’s build on what YOU have discovered!!!YOU have discovered!!!

Part 1: Analyzing and Creating Food Part 1: Analyzing and Creating Food ChainsChains

Eaten by

Eaten by

Eaten byProducers

SecondaryConsumers

Primary Consumers

Decomposers&

Scavengers

Part 1: Analyzing and Creating Food Part 1: Analyzing and Creating Food ChainsChains

Eaten by

Eaten by

Eaten byProducers

SecondaryConsumers

Primary Consumers

Decomposers&

Scavengers

Trees, Plants, Algae, etc.

Make their

OWN FOOD

Provides the ENERGY!!

Herbivores Omnivores Carnivores Omnivores

Depend on others for their food/energy

Fungus, maggots, vulture, etc

Breaks “stuff” down

Think – Pair - ShareThink – Pair - Share

• Which part of the food chain are YOU?Which part of the food chain are YOU?– Why?Why?– Did you and your partner agree? Why or Did you and your partner agree? Why or

why not?why not?– Are you always the same part? Why or Are you always the same part? Why or

why not?why not?

Be Ready to Share!!!Be Ready to Share!!!

Part 2: Making a Food Part 2: Making a Food ChainChain

• Cut your strips of paperCut your strips of paper

• On the back of each strip, write the On the back of each strip, write the organism’s role (producer, consumer, organism’s role (producer, consumer, decomposer)decomposer)

• Tape or staple your strips into a chainTape or staple your strips into a chain

• On your paper, draw On your paper, draw 33 of the food of the food chains you created, and tell the role of chains you created, and tell the role of each organism in the chain.each organism in the chain.

Follow-upFollow-up

• Why couldn’t you make one long Why couldn’t you make one long chain of all your cards?chain of all your cards?

• What was the longest chain you What was the longest chain you could make?could make?

• Explain.Explain.

• What would happen if one of your What would happen if one of your “links” were missing?“links” were missing?

Rate Your Learning!Rate Your Learning!

• How well do you think you understand How well do you think you understand the concept of Food Chains?the concept of Food Chains?– 4: “I totally got this. I can explain it to my 4: “I totally got this. I can explain it to my

little brother when I get home”little brother when I get home”– 3: “I’m ready for the Quiz!”3: “I’m ready for the Quiz!”– 2: “Anyone wanna study a little before the 2: “Anyone wanna study a little before the

quiz?”quiz?”– 1: “Food Chains have to do with Ecology, 1: “Food Chains have to do with Ecology,

right?”right?”

Part 3: Analyzing & Creating Food Part 3: Analyzing & Creating Food WebsWebs

Producers

Decomposers

Herbivores Carnivores

Omnivores

Make your Food Web!Make your Food Web!

• Combine the food chains that you Combine the food chains that you just created into one big food web for just created into one big food web for your group!your group!

• Draw the food web you created (the Draw the food web you created (the best that you can) in the space on best that you can) in the space on your note sheet.your note sheet.

Our Food Web:Our Food Web:

Part 4: ConclusionsPart 4: Conclusions1.1. What is necessary for all food chains and food What is necessary for all food chains and food

webs?webs?

Energy from the sunEnergy from the sun

2.2. Compare and contrast food chains and food webs.Compare and contrast food chains and food webs.

Both show the relationships among Both show the relationships among predators and prey, but food webs are much predators and prey, but food webs are much more complex and accurate.more complex and accurate.

3. Analyze the importance of protecting all living 3. Analyze the importance of protecting all living things.things.

4. Predict what would happen to food chains, food 4. Predict what would happen to food chains, food webs, and ecosystems if an endangered animal webs, and ecosystems if an endangered animal becomes extinct.becomes extinct.

Rate Your Learning!Rate Your Learning!

• How well do you think you understand How well do you think you understand the concepts of Food Chains AND Food the concepts of Food Chains AND Food Webs?Webs?– 4: “I totally got this. I can explain it to my 4: “I totally got this. I can explain it to my

little brother when I get home”little brother when I get home”– 3: “I’m ready for the Quiz!”3: “I’m ready for the Quiz!”– 2: “Anyone wanna study a little before the 2: “Anyone wanna study a little before the

quiz?”quiz?”– 1: “Food Webs have to do with spiders, 1: “Food Webs have to do with spiders,

right?”right?”