Cara read an article on why repetition and replication are so important but she did not understand the difference between them The answer chooses are my computer is weird but I need help plsss

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.

According to this food web which of the following would be considered primary consumers

The chemical form of energy that is useable by the cell to do work