Binary fission is the most common form of reproduction in protozoa!
The lower the fossil the older it is.
So, if two fossils were in different layers of sedimentary rock, the lowest fossil is older.
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Chloroplast are green organelles that absorb sunlight and convert it into food or chemical energy for the plant.
I hope this helps!