Your "Digestive System" breaks down food into molecules that are then absorbed into your body.
Answer:
Mycoplasma genitalium
Explanation:
a parasitic bacterium which lives in the primate bladder, waste disposal organs, genital, and respiratory tracts, is thought to be the smallest known organism capable of independent growth and reproduction
I'd say haploid because he only has the chromosomes from his mother
The amount of sunlight because the deeper you go, the less sunlight there is.