Decomposers consume nonliving organic matter.

Decomposers consume nonliving organic matter is true. They are organisms that are responsible for the breaking down dead organisms. They use organic substances to get energy, carbon and nutrients for growth development.

the backbone of the dna and rna compound is sugar phosphate.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d