Probably the availability of each kind of food is different from the other. So the half of the species that has more food available would outcompete the other half. Therefore, the correct answer is C. One half of the species will outcompete the other half of the species.
The Cell wall is found in plant cells and not animal cells
C.) viruses need a living host to reproduce... this is cause by viruses being Dioxyriboneuclicacid(DNA) surrounded by a protien shell so viruses are not alive per say.... but they get into cells and use living cells to reproduce