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Energy Flow

Explore the intricate food chains and webs of marine ecosystems. Learn about producers, consumers, decomposers, and the transfer of energy. Discover the impact of removing organisms from a food web and create your own marine food web.

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Energy Flow

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  1. Energy Flow Within a Marine Community

  2. Table of Contents • Background Information • Types of Organisms • Food Chains • Food Webs • Food for Thought • Web Resources

  3. Background: • The basis of the study of ecology are interactions between organisms with other organisms and with their physical environment. • Every ecosystem is composed of numerous food chains and food webs. • All organisms on earth survive through a transfer of energy by participating in a food chain and food web. • The marine ecosystem has perhaps the most intricate and complex food chains and web system. Back to Table of Contents

  4. Types of Organisms: • Producers: Organisms that make their own food through photosynthesis. • Consumers: Organisms that eat other organisms. • Consumer Levels: Primary,Secondary,Tertiary 3 Types: Herbivore-eats only producers Carnivore-eats only consumers Omnivore-eats both producers & consumers • Decomposers: Organisms that eat dead plants and animals, as well as animal wastes (occurs on all levels). Ex: Bacteria,Scavengers Back to Table of Contents

  5. What is a Food Chain? • Describes a group of organisms within an ecosystem, each of which is dependent on another for food and the transfer of energy.

  6. Food Chain Example: Consumers Sea grass Producer Loggerhead Turtle Hammerhead shark *Note:Arrows indicate direction of food (energy) flow. Table of Contents

  7. What is a Food Web? • A collage of interrelated food chains in an ecosystem that outline the feeding relationships between various plants and animals.

  8. Food Web Example: DECOMPOSERS Throughout web Loggerhead Turtle Black tip Reef Shark CONSUMERS Barracuda Reef Fish Barrel Sponge Manatee PRODUCERS Table of Contents Phytoplankton Zooplankton

  9. Food For Thought • Would humans fit into a food web? Where? • What would happen if one or more of the organisms were removed in a food web? • Can you create your own marine food web?

  10. Continuing Education with Web Resources: • Food Webs and Challenges of the Marine Communities • Marine Food Webs in the Galapagos Table of Contents

  11. Works Cited: • www.pass.leon.K12.fl.us • www.oceansoasis.org • Images from www.goggle.com

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