If you ate a hamburger, you would probably only get about of the original energy from the sun. a. 10% b. 1% c. 0.01% d. 0.1%

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 is a function of the central nervous system

The smallest biological units that can evolve are