Which of these is a prokaryote?
a. fungi
b. protist
c. plant
d. bacteria

Prokaryotes are single-cell organisms.

Fungi, protists, and plants are multicellular, also known as eukayotic organisms. Bacteria, however, is unicellular.

d. bacteria

b because they naturally adapt to their environment plz mark brainliest

explanation:

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