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Living Environment Regents June 2007 Question 42 |
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Ecology
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Correct Answer: option 3 both food chain A and food chain B
Decomposers form a link with all the trophic levels of a food chain. When these organisms die, the decomposers act on them by secreting enzymes that digest organic material and then absorb the breakdown products. After the organic materials are recycled and broken down, the products and returned to the abiotic environment in forms that can be used by plants. Both food chains starts with the plants (aquatic plant and grass).
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