Answer:
D. A cyanobacterium
Explanation:
Cyanobacteria have gas vacuoles, thykaloid membranes and carboxysomes
The central element for all living things is carbon, which is why you might often hear the phrase "carbon-based" lifeforms. Another term is often "organic matter"
Answer:
Is there more to the question? I'm not sure what this would be.
Yes, why?
because the technology was not that well, that the computer was not able to do all the things, our computers can.
Hope that this helps you! =)