If you could tell me what cell it would be easier. Sorry I have to post it on Answer but I't does not show the commentary or whatever you guys call it.
Answer
A.
Explanation:
All of them have an a and only two have a B. Thats my best guess
Eye spot allows to some protists to detect light. eye spot receiving light stimuli. eyespot which is a light sensitive organelle, which helps the chlamydomonas to swim toward the light. eyespot is also called the stigma. the eyespot is similar to an eye of human. it helps organisms pick up light waves to help the organisms live and function.
Expansive basically means the same thing
This method is called Scientific Notation.