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Download NAME: Energy Flow in Ecosystems Vocab: Photosynthesis:
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NAME: ___________________________________ Energy Flow in Ecosystems Vocab: Photosynthesis: ____________________________________________________________________________________ Chemosynthesis: ___________________________________________________________________________________ Food Chain: ________________________________________________________________________________________ Phytoplankton: _____________________________________________________________________________________ Food Web: ________________________________________________________________________________________ Zooplankton: _______________________________________________________________________________________ Trophic Level: ______________________________________________________________________________________ Ecological Pyramid: __________________________________________________________________________________ Biomass: __________________________________________________________________________________________ Questions: 1. Energy is said to flow in a “one-way stream” through an ecosystem. In your own words, describe what that means. __________________________________________________________________________________________________ __________________________________________________________________________________________________ 2. Explain what you think might happen to the Everglades ecosystem shown in fig. 3-9 if there were a sudden decrease in the number of crayfish. ____________________________________________________________________________ __________________________________________________________________________________________________ 3. What is the ultimate energy source for a food chain on land? _____________________________________________ 4. Explain why are decomposers so important? __________________________________________________________ ________________________________________________________________________________________________ 5. Looking a figure 3-10, what do ecologists mean when they say that killer whales indirectly depend on krill for survival? __________________________________________________________________________________________________ __________________________________________________________________________________________________ 6. How much energy is passed from one trophic level to another. (look at Figure 3-11) ___________________________ __________________________________________________________________________________________________ 7. Compare energy pyramids, biomass pyramids and numbers pyramids. __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 8. Draw a food web that has 2 producers, 3 herbivores, 3-5 omnivores, 3 carnivores, and arrows must be present. You must label and color your organisms! 9. Collins Writing: FCA 1: Describe the feeding relationships and energy flow among the organisms in the food chain. FCA 2: Use content specific vocab words from the text, notes or discussion and underline each word. Herbivore, carnivore, food chain, ecosystem, omnivore, energy flow, consumer, primary producer, trophic level, and arrows FCA 3: Use correct punctuation, capitalization and spelling. __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 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