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The ends of roots are normally covered in tiny root hair cells. what is their function?
Answers: 1
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Compare and contrast the adaptations of free-living flatworms and parasitic flatworms
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The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
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Which feature of a human community is similar to a niche in a biological community
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The ends of roots are normally covered in tiny root hair cells. what is their function?...
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