Why might both cell types be considered equally successful

There is a greater diversity of processes within the cell because they have a nucleus and organelles. ... Both cell types can be considered equally successful because they are both surviving in today's ever-changing environment. Archaea can survive in extreme environments and bacteria can grow almost anywhere.

Even though there are many different types of cells, they all share similar characteristics. All cells have a cell membrane, organelles organelles, cytoplasm, and DNA.

b is the best answer for this question.

not too sure but maybe in the hot springs.