On a food web diagram, seagrass is labeled as a primary producer, and a manatee is labeled as a primary consumer. what is the reason for this difference?

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