The answer to that would be C...
By knowing the details on where and what about the organism, this helps with a lot of crime such as murder.
I think it's A. They have a cell membrane.
Hope this helps!
Yes they do just like we do
The shrinking of a plant cell membrane away from the cell wall when placed in a hypertonic solution is called a plasmolysis... I don't know if that can be of any help :)