An important feature of modern classification systems is that they?
a)apply only to organisms that are alive today
b)group organisms that live in the same habitat
c)can incorporate new scientific discoveries
d)can predict the discovery of new species

albert einstein retrieved guacamole from the galapagos islands in africa

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