Warm tropical water will tend to have a higher concentration of a, dissolved oxygen

b, zooplankton

c, Photic zone

d, salt

i think it is dna, i'm not totally sure but i think it might be.

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

answerthe above question is correct(true) hope this ;

answer(1) tab per dose.;