I am...

... a Living System for the following reasons: i walk around in and see a 3-Demensional Space, my nights and days are divided into hours depending on where the sun is in the sky, this giant flaming star also gives me the Energy to synthesize nutrients and grow, I live on the Earth which rotates around the sun and spins on a axis controled by the Moon, I therefore share the Earth's magnetic field and atmosphere which protect me from violent demolition by particles and/or radiation from space, it is necessary for me to ingest water regularly or I will die, and Carbon is at the core of my skeleton and most of the food that i eat.