What is the function of the cilia projection inside the airways? in your own words

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.

Select the best answer for the question, ly 12. which of the following behaviors is not an inherited behavior?

Which of these statements are true about scientific theories and hypothesis