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| the chemical reaction where plants use H2O, CO2 and sunlight to make glucose and O2 |
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| Use pictures/words and arrows to show the movement of energy in an ecosystem |
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| water related food chains with sea plants and animals |
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| land related food chains with land plants and animals |
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| a series of interconnected food chains |
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| indicates the position that the organism occupies on a food chain |
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| organism that is capable of making its own food |
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| organism that must get its nutrients by eating other organisms |
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| on summer that eats an autotroph |
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| shows the amount of energy that moves from one trophic level to another |
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| Only about 10% of energy is passed to the next level of the pyramid |
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| process where a substance increases in concentration as it moves through the food chain |
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| point to the animal that is receiving the energy |
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| consumer that eats a primary consumer |
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| an animal with no natural enemies |
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| occurs when populations do not change over time |
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