Answers: 2
Biology, 21.06.2019 18:30
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.
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Biology, 22.06.2019 00:20
The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an
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Biology, 22.06.2019 05:50
Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan
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Biology, 22.06.2019 07:00
How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line
Answers: 3
The carrying capacity for a species in an ecosystem is primarily determined by...
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