Which is an example of a decomposer?

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

What material did the moon come from?