Not sure but my best guess is to go with B. It just makes the most sense.
Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Explanation:
The answer to this question is option B. Hope this helps
The cyanobacteria from places like volcanic pools so important for the production of oxygen in our atmosphere because oxygen slowly reacts with bacteria and r<span>elease Oxygen. Thank you for posting your question here at brainly. I hope the answer will help you. </span>
The difference between them is that an ecosystem is a community of organisms and their environment. And a biosphere is all the living organisms.