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Food Chains and food webs

For Ms. Musich’s Sixth Grade Class. Food Chains and food webs. Energy Roles. Producer Obtains energy through photosynthesis All plants Consumer Obtains energy by eating plants or animals All animals Decomposer Obtains energy by decomposing the dead remains of organisms Fungi & Bacteria.

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Food Chains and food webs

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  1. For Ms. Musich’s Sixth Grade Class Food Chains and food webs

  2. Energy Roles • Producer • Obtains energy through photosynthesis • All plants • Consumer • Obtains energy by eating plants or animals • All animals • Decomposer • Obtains energy by decomposing the dead remains of organisms • Fungi & Bacteria

  3. Producer • All food chains begin with a producer

  4. Producer

  5. 1st Level Consumer • A 1st level consumer eats the producer • These consumers are known as herbivores • Herbivores are animals that only eat plants

  6. 1st Level Consumer

  7. 2nd Level Consumer • A 2nd level consumer eats the first level consumer • These consumers could be considered omnivores or carnivores • An omnivore is an animal that eats both plants and animals • A carnivore is an animal that only eats meat

  8. 2nd Level Consumer

  9. 3rd Level Consumer • A 3rd level consumer eats a 2nd level consumer • These consumers can be considered carnivores • A carnivore is an animal that only eats meat

  10. 3rd Level Consumer

  11. Scavengers • A scavenger is an animal that doesn’t hunt for food. • They “scrounge” for food that other animals have killed. • Some common examples are crows, hyenas, vultures and raccoons Decomposers and Scavengers are VERY important parts of an ecosystem! Why?

  12. Decomposers and Scavengers are VERY important parts of an ecosystem! Why?

  13. Fungi is pretty! http://lamington.nrsm.uq.edu.au/documents/plant/fungi.htm

  14. Without Decomposers/Scavengers… We would be living with a lot of trash…

  15. What Do Food Chains Show Us? • A food chain shows how each organism obtains food. • How nutrients and energy are passed from creature to creature. An example of a food chain with 3 organisms

  16. More Examples 1st Level Consumer 2nd Level Consumer 3rd Level Consumer Producer 1st Level Consumer 2nd Level Consumer 3rd Level Consumer 4th Level Consumer Producer

  17. For Homework! • Create three separate food chains! • Remember, they must start with a producer! • Each chain must be at least 4 organisms long. • COLORING IS NOT OPTIONAL - YOU MUST.

  18. The Circle of Life!

  19. Food Webs • A food web is just a bunch of food chains put together! W E B C H A I N

  20. Energy Pyramid • An energy pyramid shows the amount of energy transferred from one level to the next.

  21. Let’s Test Our Knowledge! • Producers, Consumers & Decomposer Game • Animal Diet Game • Food Chain Game • Food Web Interactive

  22. Resources • http://www.sheppardsoftware.com/ • www.sciencebob.com • www.teacher.scholastic.com

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