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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 statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
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Biology, 22.06.2019 12:30
When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles
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Biology, 22.06.2019 13:00
Aresident is five feet tall.what is the measurements in iches
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Hemoglobin is .
needed for the transport of oxygen
only found in type A blood
carried b...
only found in type A blood
carried b...
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