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The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .
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Germinating seeds can be attacked by a fungus living in the soil that causes damping off. damping of...
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