Could you elaborate more?
By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
A fissure volcano does not form a mountain
If they have cell walls it will be hard for the material to get in and out of the cell resulting in cell death or damage
