C) A is probably much more closely related to B than to C.
Because A/B have 95% DNA in common, but A/C only have 50% in common.
Increase in cell number for example virus
Not necessarily because cells them self don't actually contain cells
They survive without water by entering a special mode, otherwise called as shriveling. They can lose even 95% of water in their body and still live, even though they would look like dead plants, they would actually be alive. In the absence of water, tardigrades use a sugar called trehalose, which becomes their source of life until they find some water.
