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Energy in Ecosystems

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
a-   a prefix meaning "not"  
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chemo-   a prefix meaning "chemical"  
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bio   a word part meaning "life"  
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abiotic   not living, physical features of the environment, including air, water, sunlight, soil, temperature and climate  
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biotic   features of the environment that are alive or were once alive  
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chemosynthesis   The production of energy-rich nutrient molecules from chemicals.  
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water cycle   A model showing how water moves from the surface of the Earth to the atmosphere and back to Earth again through precipitation, evaporation, and condensation.  
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condensation   changing from a gas to a liquid  
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evaporation   liquid water changing into water vapor  
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atmosphere   the air surrounding the Earth; made up of gases, including 78% nitrogen, 21% oxygen and 0.03% carbon dioxide  
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soil   mixture of mineral and rock particles, the remains of dead organisms, air and water that forms the topmost layer of the Earth's crust and supports plant growth  
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climate   an area's average weather conditions over time, including temperature, rainfall or other precipitation  
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nitrogen fixation   a process in which some types of bacteria in the soil change nitrogen gas into a form of nitrogen that plants can use  
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food web   a model that shows interconnected food chains showing the complex feeding relationships among organisms in a community. Organisms may belong to multiple trophic levels  
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energy pyramid   a model that shows the amount of energy available at each feeding level in an ecosystem. Each trophic level has less energy available to it than the level below.  
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nitrogen cycle   a model that describes how nitrogen moves from the atmosphere to the soil, to living organisms and then back to the atmosphere  
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carbon cycle   a model describing how carbon molecules move between the living and nonliving worlds  
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producer   organisms that use the sun's energy to make their own food  
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consumer   organisms that gain energy by eating producers and/or other consumers  
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decomposer   organisms that consume dead plants and animals and release nutrients  
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herbivore   primary consumers - plant eater  
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carnivore   secondary consumers - eat primary consumers - meat eater  
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omnivore   organisms that use both plants and animals for food  
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sun   ultimate source of energy for all ecosystems  
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trophic level   feeding level on a food web  
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arrows of a food chain   represent direction of energy flow  
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basic needs of plants   sunlight, water, minerals, air, space  
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Created by: satsherry
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