What are the levels of ecological categories from most broad to most specific?

Levels of ecology

Ecologists often work at five broad levels, sometimes discretely and sometimes with overlap: organism, population, community, ecosystem, and biosphere. Organisms make up a population. Multiple populations of different species make up a community. Communities in a particular area make up an ecosystem.

the median of the data is 4.5.

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