Answer:
The answer is A
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.
I believe it is the second option
Eukaryota and most likely produces milk to feed its young
Yes the moon emits radiation that is transferred through moon light
They leave their stoma closed during the day and opened during the night. Hope this helps.