You have isolated a microorganism from seawater that contains thylakoid membranes, gas vacuoles, and carboxysomes. it is most likely

a. e. coli.
b. caulobacter.
c. algae.
d. a cyanobacterium.
e. an ameba.

D. A cyanobacterium

Explanation:

Cyanobacteria have gas vacuoles, thykaloid membranes and carboxysomes

the median of the data is 4.5.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.