Ecosystems Quiz - 10 questions

Mar 30th, 2015
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Ecosystems Quiz - 10 questions

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Ecosystems QuizTop of FormQuestion 1Select one answer.10 pointsWhich human activity reduces transpiration and can reduce rainfall in the affected region?fertilizer useburning fossil fuelsdamming riversdeforestation (Deforestation inhibits water recycling and converts inland forest to dry land and potential waste land)Question 2Select one answer.10 pointsWhich of the following gives a realistic (possible) pathway for the flow of a bit of energy through an ecosystem?sun ? grass ? rabbit ? decomposer ? grasssun ? rabbit ? fox ? decomposer ? heatsun ? grass ? rabbit ? fox ? sunsun ? grass ? rabbit ? fox ? decomposer ? heatQuestion 3Select one answer.10 pointsProducers in a food chain are on which level of an energy pyramid?3241Question 4Select one answer.10 pointsWhich is part of a lake ecosystem, but is not part of the lake's biotic community?small fishzooplanktonnitrate in the water (it is not a living organism)algaeQuestion 5Select one answer.10 pointsA dog eats a pound of dog food. What happens to the energy and chemical nutrients in the food over the next several days?The energy is mostly released as heat through the dog's activities; the nutrients either become part of the dog's body or are released to the ecosystem as wastes like urine, feces, and exhaled gases.Both the energy and the nutrients become a permanent part of the dog's ecosystem.Both the energy and nutrients are metabolized by the dog and are released a

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