What is the process by which organisms transform chemical energy into a usable form for living, growing, and reproducing A)Photosynthesis B) Chloroplast C) Mitochondria?

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.

What is the importantence of the carbon and nitretan cycles in the environment

What maintain homeostasis when a persons internal body temperature is 97.5°f