ch.24
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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show | Energy flows in two directions in an ecosystem.
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show | ecosystem processes.
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show | solar energy.
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show | deserts.
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The marine ecosystem with the lowest net primary productivity is | show 🗑
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In marine ecosystems, net primary productivity tends to be | show 🗑
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Net primary productivity on land | show 🗑
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Which of the following series best represents the energy flow in an ecosystem? | show 🗑
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Which of the following would use the highest percentage of net primary productivity? | show 🗑
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Once an organic molecule enters a metabolic pathway, a significant percentage of its energy | show 🗑
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show | photosynthesizers
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show | may be affected by events that occur in distant parts of the globe.
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show | ocean sediments
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show | a decrease in dissolved oxygen in a water ecosystem.
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The dead zone that develops in the Gulf of Mexico forms because the large amounts of nitrogen from fertilizers and sewage carried by the Mississippi River | show 🗑
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show | experience a significant loss of nutrients as nutrients leech through the soil and into nearby waterways.
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show | logging hemlock groves
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show | 0.04
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show | from direct measurements taken at the Mauna Loa Observatory in Hawaii, and from measuring air bubbles trapped in ice
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show | 1800
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show | human activities have begun to release carbon that was formerly sequestered in fossil fuels into the atmosphere.
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show | The frequency of severe weather and the length of storm seasons have decreased.
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show | the increased temperatures will lead to a longer growing season.
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show | tended to increase, especially in the last 40 years.
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Created by:
veronica1738