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What Eats What?

What Eats What?. Discover “what eats what” in a simplified marine ecosystem See the feeding interactions among organisms in a marine ecosystem Create a model of feeding interactions in a freshwater ecosystem. Objectives. Black nose dace. Long nose dace. Johnny darter. Amphipod.

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What Eats What?

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  1. What Eats What?

  2. Discover “what eats what” in a simplified marine ecosystem See the feeding interactions among organisms in a marine ecosystem Create a model of feeding interactions in a freshwater ecosystem Objectives

  3. Black nose dace Long nose dace Johnny darter Amphipod Aquatic snails Mayfly Caddisfly Diatoms Blue-green algae Green algae

  4. Black nose dace Long nose dace Johnny darter Amphipod Aquatic snails Mayfly Caddisfly Diatoms Blue-green algae Green algae

  5. Amphipod Johnny darter Diatoms Mayfly

  6. Amphipod Johnny darter Diatoms Mayfly

  7. Did you ever think you were being followed? Energy cannot be created or destroyed, instead it is passed through an ecosystem from one organism to the next. It is a far from perfect exchange, which means that some energy is lost.

  8. Food Webs and Food Chains both • Start with the photosynthetic life • Show energy transfers • Show how “connected” organisms are in an environment • Help predict what would happen if a species is removed from an environment

  9. What type of organism was completely left out of our food web activity?

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