Answer:
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I give light by night, but not by day. I am wicked but not evil in any way. Wax for the most but always wane; except when I'm out, I stay the same. What am I?
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
Good memory, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
Both old people and owls are said to be possessing this trait