Answer:
Energy enters the biosphere as sunlight.Plants change this energy into chemical energy through the process of photosynthesis. Then, the energy is passed to organisms that eat the plants. Energy and matter is also passed between organisms when they eat one another.
If I remember correctly, there are about <span>37.2 trillion blood cells in the average human body! (Crazy, huh?)
</span><span>Hope this helps! :)</span>
Bacteria and paramecia reproduce by means of binary fission, so your answer would be B
