This type of organism breaks down dead material in an ecosystem.

a. herbivore
b. producer
c. omnivor
d. composer

Well the answer I would give right away would be decomposer, but seeing that is not one of the answers, I would say D?

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.