Select from the drop-down menu to correctly complete the statement. If an organism is composed of only one cell, it
A-performs all of the functions.
B-does not have any functions
C-cannot survive on it's own
D-is specialized.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for