Okay i really need okay we have this science thing due tomorrow and i wasted my tie so i have one night to finish it. our assignment was to think of an analogy to compare the cell and it's organelles to something of our choice for example cell to a factory.

The procces of farming organism from the sea is ?

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.

Which of the following is a testable hypotheses?